13455904780 has 48 divisors (see below), whose sum is σ = 28571538240. Its totient is φ = 5322656000.

The previous prime is 13455904757. The next prime is 13455904873. The reversal of 13455904780 is 8740955431.

It is a super-2 number, since 2×13455904780² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13455904780.

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, 1897281 + ... + 1904359.

It is an arithmetic number, because the mean of its divisors is an integer number (595240380).

Almost surely, 2^13455904780 is an apocalyptic number.

13455904780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13455904780 is an abundant number, since it is smaller than the sum of its proper divisors (15115633460).

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

13455904780 is a wasteful number, since it uses less digits than its factorization.

13455904780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 13455904780 in words is "thirteen billion, four hundred fifty-five million, nine hundred four thousand, seven hundred eighty".