50621001340 has 72 divisors (see below), whose sum is σ = 133172206272. Its totient is φ = 16020708480.

The previous prime is 50621001331. The next prime is 50621001391. The reversal of 50621001340 is 4310012605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1973956 + ... + 1999435.

It is an arithmetic number, because the mean of its divisors is an integer number (1849613976).

Almost surely, 2^50621001340 is an apocalyptic number.

It is an amenable number.

50621001340 is an abundant number, since it is smaller than the sum of its proper divisors (82551204932).

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

50621001340 is a wasteful number, since it uses less digits than its factorization.

50621001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973427 (or 3973418 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 50621001340 its reverse (4310012605), we get a palindrome (54931013945).

The spelling of 50621001340 in words is "fifty billion, six hundred twenty-one million, one thousand, three hundred forty".