13404963960 has 96 divisors (see below), whose sum is σ = 45460340640. Its totient is φ = 3419235072.

The previous prime is 13404963941. The next prime is 13404963977. The reversal of 13404963960 is 6936940431.

13404963960 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 4 + 9 + 639 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801199 + ... + 817758.

It is an arithmetic number, because the mean of its divisors is an integer number (473545215).

Almost surely, 2^13404963960 is an apocalyptic number.

13404963960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13404963960 is an abundant number, since it is smaller than the sum of its proper divisors (32055376680).

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

13404963960 is a wasteful number, since it uses less digits than its factorization.

13404963960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618997 (or 1618990 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 13404963960 in words is "thirteen billion, four hundred four million, nine hundred sixty-three thousand, nine hundred sixty".