492502840 has 16 divisors (see below), whose sum is σ = 1108131480. Its totient is φ = 197001120.

The previous prime is 492502793. The next prime is 492502849. The reversal of 492502840 is 48205294.

It is a junction number, because it is equal to n+sod(n) for n = 492502796 and 492502805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492502849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6156246 + ... + 6156325.

Almost surely, 2^492502840 is an apocalyptic number.

492502840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492502840 is an abundant number, since it is smaller than the sum of its proper divisors (615628640).

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

492502840 is a wasteful number, since it uses less digits than its factorization.

492502840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312582 (or 12312578 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 492502840 is about 22192.4050071190. The cubic root of 492502840 is about 789.7135317693.

The spelling of 492502840 in words is "four hundred ninety-two million, five hundred two thousand, eight hundred forty".