864440070502 has 8 divisors (see below), whose sum is σ = 1296668559312. Its totient is φ = 432217217400.

The previous prime is 864440070469. The next prime is 864440070511. The reversal of 864440070502 is 205070044468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001949 + ... + 1653112.

It is an arithmetic number, because the mean of its divisors is an integer number (162083569914).

Almost surely, 2^864440070502 is an apocalyptic number.

864440070502 is a deficient number, since it is larger than the sum of its proper divisors (432228488810).

864440070502 is a wasteful number, since it uses less digits than its factorization.

864440070502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817854.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 864440070502 in words is "eight hundred sixty-four billion, four hundred forty million, seventy thousand, five hundred two".