508686707240 has 16 divisors (see below), whose sum is σ = 1144545091380. Its totient is φ = 203474682880.

The previous prime is 508686707233. The next prime is 508686707293. The reversal of 508686707240 is 42707686805.

It can be written as a sum of positive squares in 2 ways, for example, as 507402631684 + 1284075556 = 712322^2 + 35834^2 .

It is a super-2 number, since 2×508686707240² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6358583801 + ... + 6358583880.

Almost surely, 2^508686707240 is an apocalyptic number.

It is an amenable number.

508686707240 is an abundant number, since it is smaller than the sum of its proper divisors (635858384140).

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

508686707240 is a wasteful number, since it uses less digits than its factorization.

508686707240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717167692 (or 12717167688 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 508686707240 in words is "five hundred eight billion, six hundred eighty-six million, seven hundred seven thousand, two hundred forty".