809010464 has 24 divisors (see below), whose sum is σ = 1661990400. Its totient is φ = 386917696.

The previous prime is 809010457. The next prime is 809010469. The reversal of 809010464 is 464010908.

It is a super-2 number, since 2×809010464² = 1308995861722990592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 809010464.

It is not an unprimeable number, because it can be changed into a prime (809010469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548864 + ... + 550335.

It is an arithmetic number, because the mean of its divisors is an integer number (69249600).

Almost surely, 2^809010464 is an apocalyptic number.

It is an amenable number.

809010464 is an abundant number, since it is smaller than the sum of its proper divisors (852979936).

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

809010464 is a wasteful number, since it uses less digits than its factorization.

809010464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099232 (or 1099224 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 809010464 is about 28443.1092533851. The cubic root of 809010464 is about 931.7900022366.

The spelling of 809010464 in words is "eight hundred nine million, ten thousand, four hundred sixty-four".