13880620480 has 56 divisors (see below), whose sum is σ = 33546611088. Its totient is φ = 5469370368.

The previous prime is 13880620471. The next prime is 13880620483. The reversal of 13880620480 is 8402608831.

13880620480 = 10350² + 10351² + ... + 10477².

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880620483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302269 + ... + 345148.

Almost surely, 2^13880620480 is an apocalyptic number.

13880620480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13880620480 is an abundant number, since it is smaller than the sum of its proper divisors (19665990608).

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

13880620480 is an equidigital number, since it uses as much as digits as its factorization.

13880620480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647501 (or 647491 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 13880620480 in words is "thirteen billion, eight hundred eighty million, six hundred twenty thousand, four hundred eighty".