538786738848 has 48 divisors (see below), whose sum is σ = 1418922156960. Its totient is φ = 179010567936.

The previous prime is 538786738793. The next prime is 538786738859. The reversal of 538786738848 is 848837687835.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×538786738848² (a number of 24 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 538786738848.

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, 9111183 + ... + 9170126.

It is an arithmetic number, because the mean of its divisors is an integer number (29560878270).

Almost surely, 2^538786738848 is an apocalyptic number.

It is an amenable number.

538786738848 is an abundant number, since it is smaller than the sum of its proper divisors (880135418112).

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

538786738848 is a wasteful number, since it uses less digits than its factorization.

538786738848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281629 (or 18281621 counting only the distinct ones).

The product of its digits is 1734082560, while the sum is 75.

The spelling of 538786738848 in words is "five hundred thirty-eight billion, seven hundred eighty-six million, seven hundred thirty-eight thousand, eight hundred forty-eight".