115359840 has 72 divisors (see below), whose sum is σ = 393670368. Its totient is φ = 30762240.

The previous prime is 115359793. The next prime is 115359859. The reversal of 115359840 is 48953511.

115359840 is a `hidden beast` number, since 11 + 53 + 598 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 115359795 and 115359804.

It is a congruent number.

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, 38616 + ... + 41495.

It is an arithmetic number, because the mean of its divisors is an integer number (5467644).

Almost surely, 2^115359840 is an apocalyptic number.

115359840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115359840 is an abundant number, since it is smaller than the sum of its proper divisors (278310528).

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

115359840 is a wasteful number, since it uses less digits than its factorization.

115359840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80132 (or 80121 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 115359840 is about 10740.5698172862. The cubic root of 115359840 is about 486.8010971182.

The spelling of 115359840 in words is "one hundred fifteen million, three hundred fifty-nine thousand, eight hundred forty".