492921240 has 64 divisors (see below), whose sum is σ = 1690018560. Its totient is φ = 112667520.

The previous prime is 492921203. The next prime is 492921241. The reversal of 492921240 is 42129294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492921241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 292566 + ... + 294245.

It is an arithmetic number, because the mean of its divisors is an integer number (26406540).

Almost surely, 2^492921240 is an apocalyptic number.

492921240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492921240 is an abundant number, since it is smaller than the sum of its proper divisors (1197097320).

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

492921240 is a wasteful number, since it uses less digits than its factorization.

492921240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586832 (or 586828 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 492921240 is about 22201.8296543325. The cubic root of 492921240 is about 789.9370990884.

The spelling of 492921240 in words is "four hundred ninety-two million, nine hundred twenty-one thousand, two hundred forty".