13260446400 has 84 divisors (see below), whose sum is σ = 43505330312. Its totient is φ = 3536117760.

The previous prime is 13260446363. The next prime is 13260446413. The reversal of 13260446400 is 464406231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1376497 + ... + 1386096.

Almost surely, 2^13260446400 is an apocalyptic number.

13260446400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13260446400 is an abundant number, since it is smaller than the sum of its proper divisors (30244883912).

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

13260446400 is a wasteful number, since it uses less digits than its factorization.

13260446400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762618 (or 2762603 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 13260446400 in words is "thirteen billion, two hundred sixty million, four hundred forty-six thousand, four hundred".