13251405400 has 24 divisors (see below), whose sum is σ = 30809518020. Its totient is φ = 5300562080.

The previous prime is 13251405269. The next prime is 13251405481. The reversal of 13251405400 is 450415231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33128314 + ... + 33128713.

Almost surely, 2^13251405400 is an apocalyptic number.

13251405400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13251405400 is an abundant number, since it is smaller than the sum of its proper divisors (17558112620).

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

13251405400 is a wasteful number, since it uses less digits than its factorization.

13251405400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66257043 (or 66257034 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 13251405400 in words is "thirteen billion, two hundred fifty-one million, four hundred five thousand, four hundred".