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40380682412 = 22723136745869
BaseRepresentation
bin100101100110111000…
…000101000010101100
310212020012101012121002
4211212320011002230
51130144423314122
630314534055432
72626446065030
oct454670050254
9125205335532
1040380682412
111614192a404
1279ab4aa578
133a66bbc225
141d50d841c0
1510b5131992
hex966e050ac

40380682412 has 48 divisors (see below), whose sum is σ = 84336215040. Its totient is φ = 16541101632.

The previous prime is 40380682399. The next prime is 40380682417. The reversal of 40380682412 is 21428608304.

It is a super-2 number, since 2×403806824122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40380682417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857414 + ... + 903282.

It is an arithmetic number, because the mean of its divisors is an integer number (1757004480).

Almost surely, 240380682412 is an apocalyptic number.

It is an amenable number.

40380682412 is an abundant number, since it is smaller than the sum of its proper divisors (43955532628).

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

40380682412 is a wasteful number, since it uses less digits than its factorization.

40380682412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47270 (or 47268 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 40380682412 in words is "forty billion, three hundred eighty million, six hundred eighty-two thousand, four hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 1367 2734 5468 9569 19138 31441 38276 45869 62882 91738 125764 183476 220087 321083 440174 642166 880348 1054987 1284332 2109974 4219948 7384909 14769818 29539636 62702923 125405846 250811692 438920461 877840922 1442167229 1755681844 2884334458 5768668916 10095170603 20190341206 40380682412