115402400 has 36 divisors (see below), whose sum is σ = 281728062. Its totient is φ = 46160640.

The previous prime is 115402393. The next prime is 115402421. The reversal of 115402400 is 4204511.

It can be written as a sum of positive squares in 3 ways, for example, as 108910096 + 6492304 = 10436^2 + 2548^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71327 + ... + 72926.

Almost surely, 2^115402400 is an apocalyptic number.

115402400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115402400 is an abundant number, since it is smaller than the sum of its proper divisors (166325662).

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

115402400 is a wasteful number, since it uses less digits than its factorization.

115402400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144273 (or 144260 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 115402400 is about 10742.5509074893. The cubic root of 115402400 is about 486.8609553477.

Adding to 115402400 its reverse (4204511), we get a palindrome (119606911).

The spelling of 115402400 in words is "one hundred fifteen million, four hundred two thousand, four hundred".