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40044080080 = 2452341530807
BaseRepresentation
bin100101010010110100…
…000010101111010000
310211100202000001000001
4211102310002233100
51124002241030310
630221311335344
72615221031104
oct452264025720
9124322001001
1040044080080
1115a89926064
127916821554
133a12247254
141d1c3a3904
1510957e293a
hex952d02bd0

40044080080 has 80 divisors (see below), whose sum is σ = 99520130304. Its totient is φ = 14947496960.

The previous prime is 40044080077. The next prime is 40044080107. The reversal of 40044080080 is 8008044004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189964 + ... + 340843.

Almost surely, 240044080080 is an apocalyptic number.

40044080080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40044080080 is an abundant number, since it is smaller than the sum of its proper divisors (59476050224).

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

40044080080 is a wasteful number, since it uses less digits than its factorization.

40044080080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530884 (or 530878 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The spelling of 40044080080 in words is "forty billion, forty-four million, eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 23 40 41 46 80 82 92 115 164 184 205 230 328 368 410 460 656 820 920 943 1640 1840 1886 3280 3772 4715 7544 9430 15088 18860 37720 75440 530807 1061614 2123228 2654035 4246456 5308070 8492912 10616140 12208561 21232280 21763087 24417122 42464560 43526174 48834244 61042805 87052348 97668488 108815435 122085610 174104696 195336976 217630870 244171220 348209392 435261740 488342440 500551001 870523480 976684880 1001102002 1741046960 2002204004 2502755005 4004408008 5005510010 8008816016 10011020020 20022040040 40044080080