115404720 has 40 divisors (see below), whose sum is σ = 357755376. Its totient is φ = 30774528.

The previous prime is 115404719. The next prime is 115404763. The reversal of 115404720 is 27404511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 240187 + ... + 240666.

Almost surely, 2^115404720 is an apocalyptic number.

115404720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115404720 is an abundant number, since it is smaller than the sum of its proper divisors (242350656).

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

115404720 is a wasteful number, since it uses less digits than its factorization.

115404720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480869 (or 480863 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 115404720 is about 10742.6588887482. The cubic root of 115404720 is about 486.8642178733.

The spelling of 115404720 in words is "one hundred fifteen million, four hundred four thousand, seven hundred twenty".