13002535040 has 64 divisors (see below), whose sum is σ = 33910038720. Its totient is φ = 4728192000.

The previous prime is 13002535019. The next prime is 13002535043. The reversal of 13002535040 is 4053520031.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 13002534997 and 13002535015.

It is not an unprimeable number, because it can be changed into a prime (13002535043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916436 + ... + 930515.

It is an arithmetic number, because the mean of its divisors is an integer number (529844355).

Almost surely, 2^13002535040 is an apocalyptic number.

13002535040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002535040 is an abundant number, since it is smaller than the sum of its proper divisors (20907503680).

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

13002535040 is a wasteful number, since it uses less digits than its factorization.

13002535040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846981 (or 1846969 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 13002535040 in words is "thirteen billion, two million, five hundred thirty-five thousand, forty".