538106421936 has 80 divisors (see below), whose sum is σ = 1395398188800. Its totient is φ = 178686883584.

The previous prime is 538106421889. The next prime is 538106421959. The reversal of 538106421936 is 639124601835.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 30037750 + ... + 30055658.

It is an arithmetic number, because the mean of its divisors is an integer number (17442477360).

Almost surely, 2^538106421936 is an apocalyptic number.

It is an amenable number.

538106421936 is an abundant number, since it is smaller than the sum of its proper divisors (857291766864).

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

538106421936 is a wasteful number, since it uses less digits than its factorization.

538106421936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20266 (or 20260 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

It can be divided in two parts, 53810 and 6421936, that added together give a palindrome (6475746).

The spelling of 538106421936 in words is "five hundred thirty-eight billion, one hundred six million, four hundred twenty-one thousand, nine hundred thirty-six".