508732145728 has 56 divisors (see below), whose sum is σ = 1019724335960. Its totient is φ = 251798077440.

The previous prime is 508732145723. The next prime is 508732145741. The reversal of 508732145728 is 827541237805.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 261890109504 + 246842036224 = 511752^2 + 496832^2 .

It is not an unprimeable number, because it can be changed into a prime (508732145723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7591408 + ... + 7658128.

Almost surely, 2^508732145728 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 508732145728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509862167980).

508732145728 is an abundant number, since it is smaller than the sum of its proper divisors (510992190232).

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

508732145728 is a wasteful number, since it uses less digits than its factorization.

508732145728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67935 (or 67925 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 508732145728 in words is "five hundred eight billion, seven hundred thirty-two million, one hundred forty-five thousand, seven hundred twenty-eight".