50538239040 has 112 divisors (see below), whose sum is σ = 163486600128. Its totient is φ = 13222569984.

The previous prime is 50538239029. The next prime is 50538239041. The reversal of 50538239040 is 4093283505.

It is a super-2 number, since 2×50538239040² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50538239040.

It is not an unprimeable number, because it can be changed into a prime (50538239041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445762 + ... + 547521.

Almost surely, 2^50538239040 is an apocalyptic number.

It is an amenable number.

50538239040 is an abundant number, since it is smaller than the sum of its proper divisors (112948361088).

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

50538239040 is a wasteful number, since it uses less digits than its factorization.

50538239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993356 (or 993346 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 50538239040 in words is "fifty billion, five hundred thirty-eight million, two hundred thirty-nine thousand, forty".