115052240 has 80 divisors (see below), whose sum is σ = 280910592. Its totient is φ = 43771392.

The previous prime is 115052213. The next prime is 115052257. The reversal of 115052240 is 42250511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138707 + ... + 139533.

Almost surely, 2^115052240 is an apocalyptic number.

115052240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115052240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140455296).

115052240 is an abundant number, since it is smaller than the sum of its proper divisors (165858352).

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

115052240 is a wasteful number, since it uses less digits than its factorization.

115052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 115052240 is about 10726.2407207745. The cubic root of 115052240 is about 486.3680368034.

The spelling of 115052240 in words is "one hundred fifteen million, fifty-two thousand, two hundred forty".