13301531440 has 40 divisors (see below), whose sum is σ = 31387656240. Its totient is φ = 5241198336.

The previous prime is 13301531437. The next prime is 13301531443. The reversal of 13301531440 is 4413510331.

It is an interprime number because it is at equal distance from previous prime (13301531437) and next prime (13301531443).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13301531443) 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, 1235455 + ... + 1246174.

It is an arithmetic number, because the mean of its divisors is an integer number (784691406).

Almost surely, 2^13301531440 is an apocalyptic number.

13301531440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13301531440 is an abundant number, since it is smaller than the sum of its proper divisors (18086124800).

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

13301531440 is a wasteful number, since it uses less digits than its factorization.

13301531440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481709 (or 2481703 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 13301531440 in words is "thirteen billion, three hundred one million, five hundred thirty-one thousand, four hundred forty".