27940614156 has 72 divisors (see below), whose sum is σ = 86926365344. Its totient is φ = 7368952320.

The previous prime is 27940614139. The next prime is 27940614157. The reversal of 27940614156 is 65141604972.

27940614156 is a `hidden beast` number, since 27 + 9 + 4 + 0 + 614 + 1 + 5 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (27940614157) 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, 4261165 + ... + 4267716.

Almost surely, 2^27940614156 is an apocalyptic number.

27940614156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27940614156 is an abundant number, since it is smaller than the sum of its proper divisors (58985751188).

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

27940614156 is a wasteful number, since it uses less digits than its factorization.

27940614156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528911 (or 8528906 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 27940614156 in words is "twenty-seven billion, nine hundred forty million, six hundred fourteen thousand, one hundred fifty-six".