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40312097601720 = 23357182112635253
BaseRepresentation
bin10010010101001111001000…
…10000011111100010111000
312021201210120101121212210120
421022213210100133202320
520240433133441223340
6221423042203013240
711330311233636060
oct1112474420374270
9167653511555716
1040312097601720
11119322a018661a
124630907b0a220
131965550841b89
149d518a1a43a0
1549d9244ca4d0
hex24a9e441f8b8

40312097601720 has 128 divisors (see below), whose sum is σ = 138220548042240. Its totient is φ = 9213684272640.

The previous prime is 40312097601667. The next prime is 40312097601739. The reversal of 40312097601720 is 2710679021304.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13979614 + ... + 16614866.

It is an arithmetic number, because the mean of its divisors is an integer number (1079848031580).

Almost surely, 240312097601720 is an apocalyptic number.

40312097601720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40312097601720 is an abundant number, since it is smaller than the sum of its proper divisors (97908450440520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40312097601720 is a wasteful number, since it uses less digits than its factorization.

40312097601720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653485 (or 2653481 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 40312097601720 in words is "forty trillion, three hundred twelve billion, ninety-seven million, six hundred one thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 18211 36422 54633 72844 91055 109266 127477 145688 182110 218532 254954 273165 364220 382431 437064 509908 546330 637385 728440 764862 1019816 1092660 1274770 1529724 1912155 2185320 2549540 2635253 3059448 3824310 5099080 5270506 7648620 7905759 10541012 13176265 15297240 15811518 18446771 21082024 26352530 31623036 36893542 39528795 52705060 55340313 63246072 73787084 79057590 92233855 105410120 110680626 147574168 158115180 184467710 221361252 276701565 316230360 368935420 442722504 553403130 737870840 1106806260 2213612520 47990592383 95981184766 143971777149 191962369532 239952961915 287943554298 335934146681 383924739064 479905923830 575887108596 671868293362 719858885745 959811847660 1007802440043 1151774217192 1343736586724 1439717771490 1679670733405 1919623695320 2015604880086 2687473173448 2879435542980 3359341466810 4031209760172 5039012200215 5758871085960 6718682933620 8062419520344 10078024400430 13437365867240 20156048800860 40312097601720