115807400 has 48 divisors (see below), whose sum is σ = 285098940. Its totient is φ = 43596800.

The previous prime is 115807399. The next prime is 115807477. The reversal of 115807400 is 4708511.

It can be written as a sum of positive squares in 6 ways, for example, as 17757796 + 98049604 = 4214^2 + 9902^2 .

It is a super-2 number, since 2×115807400² = 26822707789520000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115807400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13631 + ... + 20430.

Almost surely, 2^115807400 is an apocalyptic number.

115807400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115807400 is an abundant number, since it is smaller than the sum of its proper divisors (169291540).

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

115807400 is a wasteful number, since it uses less digits than its factorization.

115807400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34094 (or 34085 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 115807400 is about 10761.3846692700. The cubic root of 115807400 is about 487.4298299178.

The spelling of 115807400 in words is "one hundred fifteen million, eight hundred seven thousand, four hundred".