494989992 has 96 divisors (see below), whose sum is σ = 1598762880. Its totient is φ = 135273600.

The previous prime is 494989939. The next prime is 494990011. The reversal of 494989992 is 299989494.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 9759 + ... + 32942.

It is an arithmetic number, because the mean of its divisors is an integer number (16653780).

Almost surely, 2^494989992 is an apocalyptic number.

494989992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

494989992 is an abundant number, since it is smaller than the sum of its proper divisors (1103772888).

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

494989992 is a wasteful number, since it uses less digits than its factorization.

494989992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42743 (or 42736 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 494989992 is about 22248.3705470760. The cubic root of 494989992 is about 791.0406581400.

The spelling of 494989992 in words is "four hundred ninety-four million, nine hundred eighty-nine thousand, nine hundred ninety-two".