113432402440 has 64 divisors (see below), whose sum is σ = 291956947200. Its totient is φ = 38854626048.

The previous prime is 113432402431. The next prime is 113432402449. The reversal of 113432402440 is 44204234311.

It is an interprime number because it is at equal distance from previous prime (113432402431) and next prime (113432402449).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 113432402399 and 113432402408.

It is not an unprimeable number, because it can be changed into a prime (113432402449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109837 + ... + 488803.

It is an arithmetic number, because the mean of its divisors is an integer number (4561827300).

Almost surely, 2^113432402440 is an apocalyptic number.

113432402440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113432402440 is an abundant number, since it is smaller than the sum of its proper divisors (178524544760).

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

113432402440 is a wasteful number, since it uses less digits than its factorization.

113432402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380054 (or 380050 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 113432402440 its reverse (44204234311), we get a palindrome (157636636751).

The spelling of 113432402440 in words is "one hundred thirteen billion, four hundred thirty-two million, four hundred two thousand, four hundred forty".