113440440 has 64 divisors (see below), whose sum is σ = 348636960. Its totient is φ = 29511680.

The previous prime is 113440429. The next prime is 113440471. The reversal of 113440440 is 44044311.

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, 6609 + ... + 16448.

Almost surely, 2^113440440 is an apocalyptic number.

113440440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113440440 is an abundant number, since it is smaller than the sum of its proper divisors (235196520).

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

113440440 is a wasteful number, since it uses less digits than its factorization.

113440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23112 (or 23108 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 113440440 is about 10650.8422202190. The cubic root of 113440440 is about 484.0861240543.

Adding to 113440440 its reverse (44044311), we get a palindrome (157484751).

The spelling of 113440440 in words is "one hundred thirteen million, four hundred forty thousand, four hundred forty".