115572040 has 32 divisors (see below), whose sum is σ = 260381880. Its totient is φ = 46167552.

The previous prime is 115572029. The next prime is 115572043. The reversal of 115572040 is 40275511.

It can be written as a sum of positive squares in 4 ways, for example, as 115390564 + 181476 = 10742^2 + 426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115571996 and 115572014.

It is not an unprimeable number, because it can be changed into a prime (115572043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39922 + ... + 42718.

Almost surely, 2^115572040 is an apocalyptic number.

115572040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115572040 is an abundant number, since it is smaller than the sum of its proper divisors (144809840).

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

115572040 is a wasteful number, since it uses less digits than its factorization.

115572040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 115572040 is about 10750.4437117730. The cubic root of 115572040 is about 487.0993982692.

The spelling of 115572040 in words is "one hundred fifteen million, five hundred seventy-two thousand, forty".