13920546400280 has 64 divisors (see below), whose sum is σ = 34818637190400. Its totient is φ = 4974091015680.

The previous prime is 13920546400199. The next prime is 13920546400303. The reversal of 13920546400280 is 8200464502931.

It is a super-2 number, since 2×13920546400280² (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, 431762615 + ... + 431794854.

It is an arithmetic number, because the mean of its divisors is an integer number (544041206100).

Almost surely, 2^{13920546400280} is an apocalyptic number.

13920546400280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13920546400280 is an abundant number, since it is smaller than the sum of its proper divisors (20898090790120).

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

13920546400280 is a wasteful number, since it uses less digits than its factorization.

13920546400280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863557524 (or 863557520 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 13920546400280 in words is "thirteen trillion, nine hundred twenty billion, five hundred forty-six million, four hundred thousand, two hundred eighty".