115637490 has 64 divisors (see below), whose sum is σ = 309484800. Its totient is φ = 30724992.

The previous prime is 115637447. The next prime is 115637503. The reversal of 115637490 is 94736511.

115637490 is a `hidden beast` number, since 1 + 1 + 563 + 7 + 4 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96334 + ... + 97526.

It is an arithmetic number, because the mean of its divisors is an integer number (4835700).

Almost surely, 2^115637490 is an apocalyptic number.

115637490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115637490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154742400).

115637490 is an abundant number, since it is smaller than the sum of its proper divisors (193847310).

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

115637490 is a wasteful number, since it uses less digits than its factorization.

115637490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 115637490 is about 10753.4873413233. The cubic root of 115637490 is about 487.1913312297.

The spelling of 115637490 in words is "one hundred fifteen million, six hundred thirty-seven thousand, four hundred ninety".