469985880 has 256 divisors, whose sum is σ = 1752145920. Its totient is φ = 98205696.

The previous prime is 469985851. The next prime is 469985891. The reversal of 469985880 is 88589964.

It is a self number, because there is not a number n which added to its sum of digits gives 469985880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2107449 + ... + 2107671.

It is an arithmetic number, because the mean of its divisors is an integer number (6844320).

Almost surely, 2^469985880 is an apocalyptic number.

469985880 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 469985880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876072960).

469985880 is an abundant number, since it is smaller than the sum of its proper divisors (1282160040).

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

469985880 is a wasteful number, since it uses less digits than its factorization.

469985880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 469985880 is about 21679.1577327165. The cubic root of 469985880 is about 777.4902236478.

The spelling of 469985880 in words is "four hundred sixty-nine million, nine hundred eighty-five thousand, eight hundred eighty".