864409480 has 48 divisors (see below), whose sum is σ = 2137818060. Its totient is φ = 314328960.

The previous prime is 864409471. The next prime is 864409493. The reversal of 864409480 is 84904468.

It is a happy number.

864409480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 834400996 + 30008484 = 28886^2 + 5478^2 .

It is a super-2 number, since 2×864409480² = 1494407498227740800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84459 + ... + 94138.

Almost surely, 2^864409480 is an apocalyptic number.

It is an amenable number.

864409480 is an abundant number, since it is smaller than the sum of its proper divisors (1273408580).

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

864409480 is a wasteful number, since it uses less digits than its factorization.

864409480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178630 (or 178615 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 864409480 is about 29400.8414845562. The cubic root of 864409480 is about 952.5910724593.

The spelling of 864409480 in words is "eight hundred sixty-four million, four hundred nine thousand, four hundred eighty".