538344895680 has 140 divisors (see below), whose sum is σ = 1914987594960. Its totient is φ = 143558631936.

The previous prime is 538344895619. The next prime is 538344895727. The reversal of 538344895680 is 86598443835.

It is a happy number.

538344895680 is a `hidden beast` number, since 5 + 38 + 34 + 4 + 8 + 9 + 568 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10358820 + ... + 10410659.

Almost surely, 2^538344895680 is an apocalyptic number.

It is an amenable number.

538344895680 is an abundant number, since it is smaller than the sum of its proper divisors (1376642699280).

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

538344895680 is a wasteful number, since it uses less digits than its factorization.

538344895680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20769508 (or 20769489 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 538344895680 in words is "five hundred thirty-eight billion, three hundred forty-four million, eight hundred ninety-five thousand, six hundred eighty".