113444040 has 32 divisors (see below), whose sum is σ = 340332480. Its totient is φ = 30251712.

The previous prime is 113444017. The next prime is 113444047. The reversal of 113444040 is 40444311.

It is a junction number, because it is equal to n+sod(n) for n = 113443998 and 113444016.

It is not an unprimeable number, because it can be changed into a prime (113444047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472564 + ... + 472803.

It is an arithmetic number, because the mean of its divisors is an integer number (10635390).

Almost surely, 2^113444040 is an apocalyptic number.

113444040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113444040 is an abundant number, since it is smaller than the sum of its proper divisors (226888440).

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

113444040 is a wasteful number, since it uses less digits than its factorization.

113444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945381 (or 945377 counting only the distinct ones).

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

The square root of 113444040 is about 10651.0112195979. The cubic root of 113444040 is about 484.0912447784.

Adding to 113444040 its reverse (40444311), we get a palindrome (153888351).

It can be divided in two parts, 113 and 444040, that added together give a triangular number (444153 = T₉₄₂).

The spelling of 113444040 in words is "one hundred thirteen million, four hundred forty-four thousand, forty".