27013274640 has 120 divisors (see below), whose sum is σ = 98966844288. Its totient is φ = 6548670720.

The previous prime is 27013274597. The next prime is 27013274653. The reversal of 27013274640 is 4647231072.

27013274640 is a `hidden beast` number, since 2 + 7 + 0 + 1 + 3 + 2 + 7 + 4 + 640 = 666.

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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 27013274595 and 27013274604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1697464 + ... + 1713303.

Almost surely, 2^27013274640 is an apocalyptic number.

27013274640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27013274640 is an abundant number, since it is smaller than the sum of its proper divisors (71953569648).

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

27013274640 is a wasteful number, since it uses less digits than its factorization.

27013274640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410797 (or 3410788 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 27013274640 in words is "twenty-seven billion, thirteen million, two hundred seventy-four thousand, six hundred forty".