538861235080 has 128 divisors (see below), whose sum is σ = 1394829434880. Its totient is φ = 183531237120.

The previous prime is 538861235057. The next prime is 538861235093. The reversal of 538861235080 is 80532168835.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29419125 + ... + 29437435.

It is an arithmetic number, because the mean of its divisors is an integer number (10897104960).

Almost surely, 2^538861235080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538861235080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697414717440).

538861235080 is an abundant number, since it is smaller than the sum of its proper divisors (855968199800).

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

538861235080 is a wasteful number, since it uses less digits than its factorization.

538861235080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19019 (or 19015 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 538861235080 in words is "five hundred thirty-eight billion, eight hundred sixty-one million, two hundred thirty-five thousand, eighty".