538150720 has 28 divisors (see below), whose sum is σ = 1281472164. Its totient is φ = 215260160.

The previous prime is 538150703. The next prime is 538150721. The reversal of 538150720 is 27051835.

It can be written as a sum of positive squares in 2 ways, for example, as 175933696 + 362217024 = 13264^2 + 19032^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538150721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840541 + ... + 841180.

It is an arithmetic number, because the mean of its divisors is an integer number (45766863).

Almost surely, 2^538150720 is an apocalyptic number.

It is an amenable number.

538150720 is an abundant number, since it is smaller than the sum of its proper divisors (743321444).

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

538150720 is a wasteful number, since it uses less digits than its factorization.

538150720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681738 (or 1681728 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 538150720 is about 23198.0757822713. The cubic root of 538150720 is about 813.3946443673.

The spelling of 538150720 in words is "five hundred thirty-eight million, one hundred fifty thousand, seven hundred twenty".