320460762644 has 24 divisors (see below), whose sum is σ = 611806859328. Its totient is φ = 145659666240.

The previous prime is 320460762637. The next prime is 320460762731. The reversal of 320460762644 is 446267064023.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 320460762595 and 320460762604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754984 + ... + 1928960.

It is an arithmetic number, because the mean of its divisors is an integer number (25491952472).

Almost surely, 2^320460762644 is an apocalyptic number.

It is an amenable number.

320460762644 is a deficient number, since it is larger than the sum of its proper divisors (291346096684).

320460762644 is a wasteful number, since it uses less digits than its factorization.

320460762644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215855 (or 215853 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 320460762644 in words is "three hundred twenty billion, four hundred sixty million, seven hundred sixty-two thousand, six hundred forty-four".