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40606765680 = 24351321001153
BaseRepresentation
bin100101110100010110…
…100001001001110000
310212210221210102112110
4211310112201021300
51131130313000210
630353211525320
72635162545645
oct456426411160
9125727712473
1040606765680
1116248508088
127a53159840
133aa19a9800
141d72dd5dcc
1510c9dde420
hex9745a1270

40606765680 has 120 divisors (see below), whose sum is σ = 136309119408. Its totient is φ = 9995501568.

The previous prime is 40606765669. The next prime is 40606765687. The reversal of 40606765680 is 8656760604.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40606765687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460017 + ... + 541136.

Almost surely, 240606765680 is an apocalyptic number.

40606765680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40606765680 is an abundant number, since it is smaller than the sum of its proper divisors (95702353728).

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

40606765680 is a wasteful number, since it uses less digits than its factorization.

40606765680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001195 (or 1001176 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 40606765680 in words is "forty billion, six hundred six million, seven hundred sixty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 169 195 208 240 260 312 338 390 507 520 624 676 780 845 1014 1040 1352 1560 1690 2028 2535 2704 3120 3380 4056 5070 6760 8112 10140 13520 20280 40560 1001153 2002306 3003459 4004612 5005765 6006918 8009224 10011530 12013836 13014989 15017295 16018448 20023060 24027672 26029978 30034590 39044967 40046120 48055344 52059956 60069180 65074945 78089934 80092240 104119912 120138360 130149890 156179868 169194857 195224835 208239824 240276720 260299780 312359736 338389714 390449670 507584571 520599560 624719472 676779428 780899340 845974285 1015169142 1041199120 1353558856 1561798680 1691948570 2030338284 2537922855 2707117712 3123597360 3383897140 4060676568 5075845710 6767794280 8121353136 10151691420 13535588560 20303382840 40606765680