538699680 has 96 divisors (see below), whose sum is σ = 1885464000. Its totient is φ = 143652096.

The previous prime is 538699673. The next prime is 538699703. The reversal of 538699680 is 86996835.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58030 + ... + 66669.

It is an arithmetic number, because the mean of its divisors is an integer number (19640250).

Almost surely, 2^538699680 is an apocalyptic number.

It is an amenable number.

538699680 is an abundant number, since it is smaller than the sum of its proper divisors (1346764320).

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

538699680 is a wasteful number, since it uses less digits than its factorization.

538699680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124723 (or 124709 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 538699680 is about 23209.9047822261. The cubic root of 538699680 is about 813.6711278650.

The spelling of 538699680 in words is "five hundred thirty-eight million, six hundred ninety-nine thousand, six hundred eighty".