113440242400 has 72 divisors (see below), whose sum is σ = 278085576384. Its totient is φ = 45187737600.

The previous prime is 113440242371. The next prime is 113440242401. The reversal of 113440242400 is 4242044311.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113440242401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101392 + ... + 486991.

It is an arithmetic number, because the mean of its divisors is an integer number (3862299672).

Almost surely, 2^113440242400 is an apocalyptic number.

113440242400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113440242400 is an abundant number, since it is smaller than the sum of its proper divisors (164645333984).

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

113440242400 is a wasteful number, since it uses less digits than its factorization.

113440242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588644 (or 588631 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 113440242400 its reverse (4242044311), we get a palindrome (117682286711).

The spelling of 113440242400 in words is "one hundred thirteen billion, four hundred forty million, two hundred forty-two thousand, four hundred".