13013522240 has 56 divisors (see below), whose sum is σ = 31988101632. Its totient is φ = 5037488640.

The previous prime is 13013522189. The next prime is 13013522243. The reversal of 13013522240 is 4222531031.

It is a super-2 number, since 2×13013522240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013522243) 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, 646004 + ... + 665843.

Almost surely, 2^13013522240 is an apocalyptic number.

13013522240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013522240 is an abundant number, since it is smaller than the sum of its proper divisors (18974579392).

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

13013522240 is a wasteful number, since it uses less digits than its factorization.

13013522240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311895 (or 1311885 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 13013522240 in words is "thirteen billion, thirteen million, five hundred twenty-two thousand, two hundred forty".