494606880 has 144 divisors (see below), whose sum is σ = 1705728024. Its totient is φ = 130498560.

The previous prime is 494606869. The next prime is 494606899. The reversal of 494606880 is 88606494.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 368179344 + 126427536 = 19188^2 + 11244^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137910 + ... + 141450.

Almost surely, 2^494606880 is an apocalyptic number.

494606880 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 494606880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852864012).

494606880 is an abundant number, since it is smaller than the sum of its proper divisors (1211121144).

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

494606880 is a wasteful number, since it uses less digits than its factorization.

494606880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 494606880 is about 22239.7589914999. The cubic root of 494606880 is about 790.8365224378.

The spelling of 494606880 in words is "four hundred ninety-four million, six hundred six thousand, eight hundred eighty".