18407048253356 has 12 divisors (see below), whose sum is σ = 36814096506768. Its totient is φ = 7888734965712.

The previous prime is 18407048253271. The next prime is 18407048253367. The reversal of 18407048253356 is 65335284070481.

18407048253356 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328697290211 + ... + 328697290266.

It is an arithmetic number, because the mean of its divisors is an integer number (3067841375564).

Almost surely, 2^{18407048253356} is an apocalyptic number.

It is an amenable number.

18407048253356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18407048253356 is a wasteful number, since it uses less digits than its factorization.

18407048253356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657394580488 (or 657394580486 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 18407048253356 in words is "eighteen trillion, four hundred seven billion, forty-eight million, two hundred fifty-three thousand, three hundred fifty-six".