115264578840 has 64 divisors (see below), whose sum is σ = 346656209760. Its totient is φ = 30660556800.

The previous prime is 115264578829. The next prime is 115264578841. The reversal of 115264578840 is 48875462511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115264578841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149559 + ... + 1245798.

Almost surely, 2^115264578840 is an apocalyptic number.

115264578840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115264578840 is an abundant number, since it is smaller than the sum of its proper divisors (231391630920).

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

115264578840 is a wasteful number, since it uses less digits than its factorization.

115264578840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395772 (or 2395768 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 115264578840 in words is "one hundred fifteen billion, two hundred sixty-four million, five hundred seventy-eight thousand, eight hundred forty".