13404990400 has 42 divisors (see below), whose sum is σ = 32984658440. Its totient is φ = 5361995520.

The previous prime is 13404990383. The next prime is 13404990413. The reversal of 13404990400 is 409940431.

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, 4187460 + ... + 4190659.

Almost surely, 2^13404990400 is an apocalyptic number.

13404990400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13404990400 is an abundant number, since it is smaller than the sum of its proper divisors (19579668040).

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

13404990400 is an equidigital number, since it uses as much as digits as its factorization.

13404990400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378141 (or 8378126 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 13404990400 in words is "thirteen billion, four hundred four million, nine hundred ninety thousand, four hundred".