492172680 has 64 divisors (see below), whose sum is σ = 1478036160. Its totient is φ = 131111168.

The previous prime is 492172679. The next prime is 492172691. The reversal of 492172680 is 86271294.

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, 181414 + ... + 184106.

It is an arithmetic number, because the mean of its divisors is an integer number (23094315).

Almost surely, 2^492172680 is an apocalyptic number.

492172680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492172680 is an abundant number, since it is smaller than the sum of its proper divisors (985863480).

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

492172680 is a wasteful number, since it uses less digits than its factorization.

492172680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230 (or 4226 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 492172680 is about 22184.9651791478. The cubic root of 492172680 is about 789.5370251027.

The spelling of 492172680 in words is "four hundred ninety-two million, one hundred seventy-two thousand, six hundred eighty".