13400806806672 has 80 divisors (see below), whose sum is σ = 34644456779520. Its totient is φ = 4463619609600.

The previous prime is 13400806806649. The next prime is 13400806806683. The reversal of 13400806806672 is 27660860800431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831771897 + ... + 831788007.

It is an arithmetic number, because the mean of its divisors is an integer number (433055709744).

Almost surely, 2^{13400806806672} is an apocalyptic number.

13400806806672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13400806806672 is an abundant number, since it is smaller than the sum of its proper divisors (21243649972848).

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

13400806806672 is a wasteful number, since it uses less digits than its factorization.

13400806806672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27912 (or 27906 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 13400806806672 in words is "thirteen trillion, four hundred billion, eight hundred six million, eight hundred six thousand, six hundred seventy-two".