13808816887040 has 144 divisors (see below), whose sum is σ = 39791196520320. Its totient is φ = 4485269790720.

The previous prime is 13808816887003. The next prime is 13808816887057. The reversal of 13808816887040 is 4078861880831.

It is a super-2 number, since 2×13808816887040² (a number of 27 digits) contains 22 as substring.

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, 40386671 + ... + 40727150.

Almost surely, 2^{13808816887040} is an apocalyptic number.

13808816887040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13808816887040 is an abundant number, since it is smaller than the sum of its proper divisors (25982379633280).

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

13808816887040 is an equidigital number, since it uses as much as digits as its factorization.

13808816887040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81113868 (or 81113854 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 13808816887040 in words is "thirteen trillion, eight hundred eight billion, eight hundred sixteen million, eight hundred eighty-seven thousand, forty".