115202840 has 16 divisors (see below), whose sum is σ = 259206480. Its totient is φ = 46081120.

The previous prime is 115202827. The next prime is 115202881. The reversal of 115202840 is 48202511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439996 + ... + 1440075.

It is an arithmetic number, because the mean of its divisors is an integer number (16200405).

Almost surely, 2^115202840 is an apocalyptic number.

115202840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115202840 is an abundant number, since it is smaller than the sum of its proper divisors (144003640).

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

115202840 is a wasteful number, since it uses less digits than its factorization.

115202840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880082 (or 2880078 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 115202840 is about 10733.2585918723. The cubic root of 115202840 is about 486.5801580977.

The spelling of 115202840 in words is "one hundred fifteen million, two hundred two thousand, eight hundred forty".