408050138554656 has 192 divisors, whose sum is σ = 1214258411076480. Its totient is φ = 118943816048640.

The previous prime is 408050138554627. The next prime is 408050138554679. The reversal of 408050138554656 is 656455831050804.

It is a self number, because there is not a number n which added to its sum of digits gives 408050138554656.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050063716 + ... + 2050262748.

It is an arithmetic number, because the mean of its divisors is an integer number (6324262557690).

Almost surely, 2^{408050138554656} is an apocalyptic number.

It is an amenable number.

408050138554656 is an abundant number, since it is smaller than the sum of its proper divisors (806208272521824).

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

408050138554656 is a wasteful number, since it uses less digits than its factorization.

408050138554656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285539 (or 285531 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 60.

The spelling of 408050138554656 in words is "four hundred eight trillion, fifty billion, one hundred thirty-eight million, five hundred fifty-four thousand, six hundred fifty-six".