492910840 has 16 divisors (see below), whose sum is σ = 1109049480. Its totient is φ = 197164320.

The previous prime is 492910829. The next prime is 492910843. The reversal of 492910840 is 48019294.

It is a happy number.

It is a super-2 number, since 2×492910840² = 485922192379011200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 492910840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492910843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6161346 + ... + 6161425.

Almost surely, 2^492910840 is an apocalyptic number.

492910840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492910840 is an abundant number, since it is smaller than the sum of its proper divisors (616138640).

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

492910840 is a wasteful number, since it uses less digits than its factorization.

492910840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12322782 (or 12322778 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 492910840 is about 22201.5954381661. The cubic root of 492910840 is about 789.9315434993.

The spelling of 492910840 in words is "four hundred ninety-two million, nine hundred ten thousand, eight hundred forty".