115284840 has 64 divisors (see below), whose sum is σ = 377300160. Its totient is φ = 27947520.

The previous prime is 115284833. The next prime is 115284853. The reversal of 115284840 is 48482511.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 42349 + ... + 44988.

It is an arithmetic number, because the mean of its divisors is an integer number (5895315).

Almost surely, 2^115284840 is an apocalyptic number.

115284840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115284840 is an abundant number, since it is smaller than the sum of its proper divisors (262015320).

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

115284840 is a wasteful number, since it uses less digits than its factorization.

115284840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87362 (or 87358 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 115284840 is about 10737.0778147502. The cubic root of 115284840 is about 486.6955780243.

The spelling of 115284840 in words is "one hundred fifteen million, two hundred eighty-four thousand, eight hundred forty".