115676631640 has 32 divisors (see below), whose sum is σ = 263567016000. Its totient is φ = 45684946944.

The previous prime is 115676631617. The next prime is 115676631667. The reversal of 115676631640 is 46136676511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18300105 + ... + 18306424.

It is an arithmetic number, because the mean of its divisors is an integer number (8236469250).

Almost surely, 2^115676631640 is an apocalyptic number.

115676631640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115676631640 is an abundant number, since it is smaller than the sum of its proper divisors (147890384360).

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

115676631640 is a wasteful number, since it uses less digits than its factorization.

115676631640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36606619 (or 36606615 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 115676631640 in words is "one hundred fifteen billion, six hundred seventy-six million, six hundred thirty-one thousand, six hundred forty".