538447005760 has 56 divisors (see below), whose sum is σ = 1357599118680. Its totient is φ = 202709458944.

The previous prime is 538447005731. The next prime is 538447005821. The reversal of 538447005760 is 67500744835.

It can be written as a sum of positive squares in 4 ways, for example, as 175252751424 + 363194254336 = 418632^2 + 602656^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49484175 + ... + 49495054.

It is an arithmetic number, because the mean of its divisors is an integer number (24242841405).

Almost surely, 2^538447005760 is an apocalyptic number.

It is an amenable number.

538447005760 is an abundant number, since it is smaller than the sum of its proper divisors (819152112920).

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

538447005760 is a wasteful number, since it uses less digits than its factorization.

538447005760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98979263 (or 98979253 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 538447005760 in words is "five hundred thirty-eight billion, four hundred forty-seven million, five thousand, seven hundred sixty".