492137856 has 160 divisors (see below), whose sum is σ = 1674068880. Its totient is φ = 140590080.

The previous prime is 492137843. The next prime is 492137857. The reversal of 492137856 is 658731294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492137857) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69186 + ... + 75966.

Almost surely, 2^492137856 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 492137856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837034440).

492137856 is an abundant number, since it is smaller than the sum of its proper divisors (1181931024).

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

492137856 is an equidigital number, since it uses as much as digits as its factorization.

492137856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6793 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 492137856 is about 22184.1803094007. The cubic root of 492137856 is about 789.5184032606.

Subtracting from 492137856 its product of digits (362880), we obtain a square (491774976 = 22176²).

The spelling of 492137856 in words is "four hundred ninety-two million, one hundred thirty-seven thousand, eight hundred fifty-six".