492497664 has 72 divisors (see below), whose sum is σ = 1314676272. Its totient is φ = 163676160.

The previous prime is 492497659. The next prime is 492497683. The reversal of 492497664 is 466794294.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331804 + ... + 333284.

Almost surely, 2^492497664 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 492497664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657338136).

492497664 is an abundant number, since it is smaller than the sum of its proper divisors (822178608).

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

492497664 is a wasteful number, since it uses less digits than its factorization.

492497664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1919 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 492497664 is about 22192.2883903396. The cubic root of 492497664 is about 789.7107652394.

The spelling of 492497664 in words is "four hundred ninety-two million, four hundred ninety-seven thousand, six hundred sixty-four".