492396840 has 256 divisors, whose sum is σ = 1872460800. Its totient is φ = 114020352.

The previous prime is 492396833. The next prime is 492396859. The reversal of 492396840 is 48693294.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237649 + ... + 239711.

It is an arithmetic number, because the mean of its divisors is an integer number (7314300).

Almost surely, 2^492396840 is an apocalyptic number.

492396840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492396840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936230400).

492396840 is an abundant number, since it is smaller than the sum of its proper divisors (1380063960).

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

492396840 is a wasteful number, since it uses less digits than its factorization.

492396840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 492396840 is about 22190.0166741713. The cubic root of 492396840 is about 789.6568717640.

The spelling of 492396840 in words is "four hundred ninety-two million, three hundred ninety-six thousand, eight hundred forty".