494501660 has 48 divisors (see below), whose sum is σ = 1061424000. Its totient is φ = 193449984.

The previous prime is 494501659. The next prime is 494501663. The reversal of 494501660 is 66105494.

It is a self number, because there is not a number n which added to its sum of digits gives 494501660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494501663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475421 + ... + 476459.

It is an arithmetic number, because the mean of its divisors is an integer number (22113000).

Almost surely, 2^494501660 is an apocalyptic number.

It is an amenable number.

494501660 is an abundant number, since it is smaller than the sum of its proper divisors (566922340).

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

494501660 is a wasteful number, since it uses less digits than its factorization.

494501660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 494501660 is about 22237.3932824870. The cubic root of 494501660 is about 790.7804390285.

The spelling of 494501660 in words is "four hundred ninety-four million, five hundred one thousand, six hundred sixty".