113232440 has 32 divisors (see below), whose sum is σ = 256124160. Its totient is φ = 45052800.

The previous prime is 113232439. The next prime is 113232463. The reversal of 113232440 is 44232311.

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 7 ways as a sum of consecutive naturals, for example, 230 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (8003880).

Almost surely, 2^113232440 is an apocalyptic number.

113232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113232440 is an abundant number, since it is smaller than the sum of its proper divisors (142891720).

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

113232440 is a wasteful number, since it uses less digits than its factorization.

113232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15023 (or 15019 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 113232440 is about 10641.0732541412. The cubic root of 113232440 is about 483.7900758462.

Adding to 113232440 its reverse (44232311), we get a palindrome (157464751).

The spelling of 113232440 in words is "one hundred thirteen million, two hundred thirty-two thousand, four hundred forty".