50164404038940 has 24 divisors (see below), whose sum is σ = 140460331309200. Its totient is φ = 13377174410368.

The previous prime is 50164404038939. The next prime is 50164404038999. The reversal of 50164404038940 is 4983040446105.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50164404038940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418036700265 + ... + 418036700384.

It is an arithmetic number, because the mean of its divisors is an integer number (5852513804550).

Almost surely, 2^{50164404038940} is an apocalyptic number.

It is an amenable number.

50164404038940 is an abundant number, since it is smaller than the sum of its proper divisors (90295927270260).

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

50164404038940 is a wasteful number, since it uses less digits than its factorization.

50164404038940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836073400661 (or 836073400659 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 50164404038940 in words is "fifty trillion, one hundred sixty-four billion, four hundred four million, thirty-eight thousand, nine hundred forty".