494659880 has 128 divisors (see below), whose sum is σ = 1384750080. Its totient is φ = 156241920.

The previous prime is 494659871. The next prime is 494659909. The reversal of 494659880 is 88956494.

It is a happy number.

It is a super-2 number, since 2×494659880² = 489376793763228800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94697 + ... + 99783.

It is an arithmetic number, because the mean of its divisors is an integer number (10818360).

Almost surely, 2^494659880 is an apocalyptic number.

494659880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494659880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692375040).

494659880 is an abundant number, since it is smaller than the sum of its proper divisors (890090200).

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

494659880 is a wasteful number, since it uses less digits than its factorization.

494659880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5135 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 494659880 is about 22240.9505192561. The cubic root of 494659880 is about 790.8647690045.

The spelling of 494659880 in words is "four hundred ninety-four million, six hundred fifty-nine thousand, eight hundred eighty".