494978880 has 224 divisors, whose sum is σ = 1805391360. Its totient is φ = 113633280.

The previous prime is 494978867. The next prime is 494978893. The reversal of 494978880 is 88879494.

It is an interprime number because it is at equal distance from previous prime (494978867) and next prime (494978893).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 494978880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199407 + ... + 201873.

Almost surely, 2^494978880 is an apocalyptic number.

494978880 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 494978880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902695680).

494978880 is an abundant number, since it is smaller than the sum of its proper divisors (1310412480).

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

494978880 is a wasteful number, since it uses less digits than its factorization.

494978880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 494978880 is about 22248.1208195209. The cubic root of 494978880 is about 791.0347387547.

The spelling of 494978880 in words is "four hundred ninety-four million, nine hundred seventy-eight thousand, eight hundred eighty".