113433440040 has 96 divisors (see below), whose sum is σ = 382312738080. Its totient is φ = 30248914752.

The previous prime is 113433440027. The next prime is 113433440047. The reversal of 113433440040 is 40044334311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113433439986 and 113433440013.

It is not an unprimeable number, because it can be changed into a prime (113433440047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5825334 + ... + 5844773.

It is an arithmetic number, because the mean of its divisors is an integer number (3982424355).

Almost surely, 2^113433440040 is an apocalyptic number.

113433440040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113433440040 is an abundant number, since it is smaller than the sum of its proper divisors (268879298040).

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

113433440040 is a wasteful number, since it uses less digits than its factorization.

113433440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670133 (or 11670117 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 113433440040 its reverse (40044334311), we get a palindrome (153477774351).

The spelling of 113433440040 in words is "one hundred thirteen billion, four hundred thirty-three million, four hundred forty thousand, forty".