494515728 has 60 divisors (see below), whose sum is σ = 1581668608. Its totient is φ = 141289920.

The previous prime is 494515691. The next prime is 494515729. The reversal of 494515728 is 827515494.

494515728 is a `hidden beast` number, since 494 + 5 + 157 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (494515729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244288 + ... + 246303.

Almost surely, 2^494515728 is an apocalyptic number.

494515728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

494515728 is an abundant number, since it is smaller than the sum of its proper divisors (1087152880).

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

494515728 is a wasteful number, since it uses less digits than its factorization.

494515728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490612 (or 490603 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 494515728 is about 22237.7095942905. The cubic root of 494515728 is about 790.7879378868.

The spelling of 494515728 in words is "four hundred ninety-four million, five hundred fifteen thousand, seven hundred twenty-eight".