492261487872 has 144 divisors (see below), whose sum is σ = 1633413315072. Its totient is φ = 127860111360.

The previous prime is 492261487849. The next prime is 492261487909. The reversal of 492261487872 is 278784162294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102978 + ... + 4221249.

Almost surely, 2^492261487872 is an apocalyptic number.

492261487872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

492261487872 is an abundant number, since it is smaller than the sum of its proper divisors (1141151827200).

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

492261487872 is a wasteful number, since it uses less digits than its factorization.

492261487872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324264 (or 8324250 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 60.

The spelling of 492261487872 in words is "four hundred ninety-two billion, two hundred sixty-one million, four hundred eighty-seven thousand, eight hundred seventy-two".