13377745240 has 32 divisors (see below), whose sum is σ = 31137858000. Its totient is φ = 5166577024.

The previous prime is 13377745217. The next prime is 13377745259. The reversal of 13377745240 is 4254777331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5765110 + ... + 5767429.

Almost surely, 2^13377745240 is an apocalyptic number.

13377745240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13377745240 is an abundant number, since it is smaller than the sum of its proper divisors (17760112760).

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

13377745240 is a wasteful number, since it uses less digits than its factorization.

13377745240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532579 (or 11532575 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 13377745240 in words is "thirteen billion, three hundred seventy-seven million, seven hundred forty-five thousand, two hundred forty".