113396440 has 64 divisors (see below), whose sum is σ = 267883200. Its totient is φ = 43200256.

The previous prime is 113396431. The next prime is 113396471. The reversal of 113396440 is 44693311.

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, 486564 + ... + 486796.

It is an arithmetic number, because the mean of its divisors is an integer number (4185675).

Almost surely, 2^113396440 is an apocalyptic number.

113396440 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 113396440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133941600).

113396440 is an abundant number, since it is smaller than the sum of its proper divisors (154486760).

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

113396440 is an equidigital number, since it uses as much as digits as its factorization.

113396440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 113396440 is about 10648.7764555370. The cubic root of 113396440 is about 484.0235286697.

The spelling of 113396440 in words is "one hundred thirteen million, three hundred ninety-six thousand, four hundred forty".