13240653804 has 72 divisors (see below), whose sum is σ = 40263991040. Its totient is φ = 3583935072.

The previous prime is 13240653761. The next prime is 13240653809. The reversal of 13240653804 is 40835604231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13240653809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1377904 + ... + 1387479.

Almost surely, 2^13240653804 is an apocalyptic number.

13240653804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13240653804 is an abundant number, since it is smaller than the sum of its proper divisors (27023337236).

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

13240653804 is a wasteful number, since it uses less digits than its factorization.

13240653804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765419 (or 2765414 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 13240653804 in words is "thirteen billion, two hundred forty million, six hundred fifty-three thousand, eight hundred four".