115464240 has 60 divisors (see below), whose sum is σ = 387769824. Its totient is φ = 30790272.

The previous prime is 115464229. The next prime is 115464259. The reversal of 115464240 is 42464511.

115464240 is a `hidden beast` number, since 1 + 15 + 4 + 642 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79464 + ... + 80903.

Almost surely, 2^115464240 is an apocalyptic number.

115464240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115464240 is an abundant number, since it is smaller than the sum of its proper divisors (272305584).

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

115464240 is a wasteful number, since it uses less digits than its factorization.

115464240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160386 (or 160377 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 115464240 is about 10745.4287955391. The cubic root of 115464240 is about 486.9479035834.

The spelling of 115464240 in words is "one hundred fifteen million, four hundred sixty-four thousand, two hundred forty".