13400663200 has 36 divisors (see below), whose sum is σ = 32714370990. Its totient is φ = 5360264960.

The previous prime is 13400663173. The next prime is 13400663239. The reversal of 13400663200 is 236600431.

It can be written as a sum of positive squares in 3 ways, for example, as 10881827856 + 2518835344 = 104316^2 + 50188^2 .

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

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, 8374615 + ... + 8376214.

Almost surely, 2^13400663200 is an apocalyptic number.

13400663200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13400663200 is an abundant number, since it is smaller than the sum of its proper divisors (19313707790).

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

13400663200 is a wasteful number, since it uses less digits than its factorization.

13400663200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750849 (or 16750836 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 13400663200 in words is "thirteen billion, four hundred million, six hundred sixty-three thousand, two hundred".