50040121542 has 32 divisors (see below), whose sum is σ = 101009092608. Its totient is φ = 16525358976.

The previous prime is 50040121507. The next prime is 50040121553. The reversal of 50040121542 is 24512104005.

It is a congruent number.

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, 1709643 + ... + 1738665.

It is an arithmetic number, because the mean of its divisors is an integer number (3156534144).

Almost surely, 2^50040121542 is an apocalyptic number.

50040121542 is an abundant number, since it is smaller than the sum of its proper divisors (50968971066).

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

50040121542 is a wasteful number, since it uses less digits than its factorization.

50040121542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31684.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 50040121542 its reverse (24512104005), we get a palindrome (74552225547).

The spelling of 50040121542 in words is "fifty billion, forty million, one hundred twenty-one thousand, five hundred forty-two".