492739040 has 24 divisors (see below), whose sum is σ = 1164096360. Its totient is φ = 197095552.

The previous prime is 492739003. The next prime is 492739043. The reversal of 492739040 is 40937294.

It is a junction number, because it is equal to n+sod(n) for n = 492738985 and 492739003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492739043) 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, 1539650 + ... + 1539969.

It is an arithmetic number, because the mean of its divisors is an integer number (48504015).

Almost surely, 2^492739040 is an apocalyptic number.

492739040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492739040 is an abundant number, since it is smaller than the sum of its proper divisors (671357320).

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

492739040 is a wasteful number, since it uses less digits than its factorization.

492739040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079634 (or 3079626 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 492739040 is about 22197.7260096614. The cubic root of 492739040 is about 789.8397581309.

The spelling of 492739040 in words is "four hundred ninety-two million, seven hundred thirty-nine thousand, forty".