864504456 has 32 divisors (see below), whose sum is σ = 2163101760. Its totient is φ = 287922752.

The previous prime is 864504419. The next prime is 864504461. The reversal of 864504456 is 654405468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14626 + ... + 44078.

It is an arithmetic number, because the mean of its divisors is an integer number (67596930).

Almost surely, 2^864504456 is an apocalyptic number.

It is an amenable number.

864504456 is an abundant number, since it is smaller than the sum of its proper divisors (1298597304).

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

864504456 is a wasteful number, since it uses less digits than its factorization.

864504456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30685 (or 30681 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 864504456 is about 29402.4566320571. The cubic root of 864504456 is about 952.6259594653.

The spelling of 864504456 in words is "eight hundred sixty-four million, five hundred four thousand, four hundred fifty-six".