115553240 has 32 divisors (see below), whose sum is σ = 283631760. Its totient is φ = 42019200.

The previous prime is 115553237. The next prime is 115553261. The reversal of 115553240 is 42355511.

It is a congruent number.

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, 130871 + ... + 131750.

Almost surely, 2^115553240 is an apocalyptic number.

115553240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115553240 is an abundant number, since it is smaller than the sum of its proper divisors (168078520).

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

115553240 is a wasteful number, since it uses less digits than its factorization.

115553240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262643 (or 262639 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 115553240 is about 10749.5692936973. The cubic root of 115553240 is about 487.0729848296.

It can be divided in two parts, 115 and 553240, that added together give a palindrome (553355).

The spelling of 115553240 in words is "one hundred fifteen million, five hundred fifty-three thousand, two hundred forty".