538684411776 has 192 divisors, whose sum is σ = 1721891682000. Its totient is φ = 148602445824.

The previous prime is 538684411723. The next prime is 538684411807. The reversal of 538684411776 is 677114486835.

It is a tau number, because it is divible by the number of its divisors (192).

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, 52060 + ... + 1039268.

Almost surely, 2^538684411776 is an apocalyptic number.

538684411776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538684411776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860945841000).

538684411776 is an abundant number, since it is smaller than the sum of its proper divisors (1183207270224).

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

538684411776 is a wasteful number, since it uses less digits than its factorization.

538684411776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987269 (or 987250 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

It can be divided in two parts, 53868 and 4411776, that added together give a palindrome (4465644).

The spelling of 538684411776 in words is "five hundred thirty-eight billion, six hundred eighty-four million, four hundred eleven thousand, seven hundred seventy-six".