13346640500 has 48 divisors (see below), whose sum is σ = 30863733264. Its totient is φ = 5024614400.

The previous prime is 13346640499. The next prime is 13346640533. The reversal of 13346640500 is 504664331.

It can be written as a sum of positive squares in 8 ways, for example, as 6751251556 + 6595388944 = 82166^2 + 81212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776597 + ... + 793596.

It is an arithmetic number, because the mean of its divisors is an integer number (642994443).

Almost surely, 2^13346640500 is an apocalyptic number.

13346640500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13346640500 is an abundant number, since it is smaller than the sum of its proper divisors (17517092764).

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

13346640500 is a wasteful number, since it uses less digits than its factorization.

13346640500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570229 (or 1570217 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 13346640500 in words is "thirteen billion, three hundred forty-six million, six hundred forty thousand, five hundred".