492641856 has 168 divisors, whose sum is σ = 1641067584. Its totient is φ = 138378240.

The previous prime is 492641843. The next prime is 492641873. The reversal of 492641856 is 658146294.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244951 + ... + 246953.

Almost surely, 2^492641856 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 492641856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820533792).

492641856 is an abundant number, since it is smaller than the sum of its proper divisors (1148425728).

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

492641856 is a wasteful number, since it uses less digits than its factorization.

492641856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2076 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 492641856 is about 22195.5368486550. The cubic root of 492641856 is about 789.7878274415.

The spelling of 492641856 in words is "four hundred ninety-two million, six hundred forty-one thousand, eight hundred fifty-six".