115640646630 has 32 divisors (see below), whose sum is σ = 283442609664. Its totient is φ = 30181388256.

The previous prime is 115640646613. The next prime is 115640646661. The reversal of 115640646630 is 36646046511.

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, 41005912 + ... + 41008731.

It is an arithmetic number, because the mean of its divisors is an integer number (8857581552).

Almost surely, 2^115640646630 is an apocalyptic number.

115640646630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115640646630 is an abundant number, since it is smaller than the sum of its proper divisors (167801963034).

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

115640646630 is a wasteful number, since it uses less digits than its factorization.

115640646630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82014700.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 115640646630 in words is "one hundred fifteen billion, six hundred forty million, six hundred forty-six thousand, six hundred thirty".