508942861496644 has 27 divisors (see below), whose sum is σ = 892167733001727. Its totient is φ = 254038531475304.

The previous prime is 508942861496639. The next prime is 508942861496647. The reversal of 508942861496644 is 446694168249805.

The square root of 508942861496644 is 22559762.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (508942861496647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27387541777 + ... + 27387560359.

Almost surely, 2^{508942861496644} is an apocalyptic number.

508942861496644 is the 22559762-nd square number.

It is an amenable number.

508942861496644 is a deficient number, since it is larger than the sum of its proper divisors (383224871505083).

508942861496644 is an frugal number, since it uses more digits than its factorization.

508942861496644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38384 (or 19192 counting only the distinct ones).

The product of its (nonzero) digits is 2866544640, while the sum is 76.

The spelling of 508942861496644 in words is "five hundred eight trillion, nine hundred forty-two billion, eight hundred sixty-one million, four hundred ninety-six thousand, six hundred forty-four".