13130402440 has 64 divisors (see below), whose sum is σ = 29764272960. Its totient is φ = 5213003520.

The previous prime is 13130402429. The next prime is 13130402443. The reversal of 13130402440 is 4420403131.

It is not an unprimeable number, because it can be changed into a prime (13130402443) 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, 5444835 + ... + 5447245.

It is an arithmetic number, because the mean of its divisors is an integer number (465066765).

Almost surely, 2^13130402440 is an apocalyptic number.

13130402440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130402440 is an abundant number, since it is smaller than the sum of its proper divisors (16633870520).

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

13130402440 is a wasteful number, since it uses less digits than its factorization.

13130402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13130402440 its reverse (4420403131), we get a palindrome (17550805571).

The spelling of 13130402440 in words is "thirteen billion, one hundred thirty million, four hundred two thousand, four hundred forty".