538253972592 has 160 divisors (see below), whose sum is σ = 1616691048960. Its totient is φ = 151121756160.

The previous prime is 538253972587. The next prime is 538253972611. The reversal of 538253972592 is 295279352835.

It is a super-2 number, since 2×538253972592² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 90414288 + ... + 90420240.

It is an arithmetic number, because the mean of its divisors is an integer number (10104319056).

Almost surely, 2^538253972592 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 538253972592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808345524480).

538253972592 is an abundant number, since it is smaller than the sum of its proper divisors (1078437076368).

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

538253972592 is a wasteful number, since it uses less digits than its factorization.

538253972592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591 (or 10585 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 60.

The spelling of 538253972592 in words is "five hundred thirty-eight billion, two hundred fifty-three million, nine hundred seventy-two thousand, five hundred ninety-two".