13877502640 has 40 divisors (see below), whose sum is σ = 33668032608. Its totient is φ = 5309652480.

The previous prime is 13877502557. The next prime is 13877502659. The reversal of 13877502640 is 4620577831.

13877502640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769221 + ... + 3772900.

Almost surely, 2^13877502640 is an apocalyptic number.

13877502640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13877502640 is an abundant number, since it is smaller than the sum of its proper divisors (19790529968).

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

13877502640 is a wasteful number, since it uses less digits than its factorization.

13877502640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542157 (or 7542151 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 13877502640 in words is "thirteen billion, eight hundred seventy-seven million, five hundred two thousand, six hundred forty".