764244412144 has 20 divisors (see below), whose sum is σ = 1487246566824. Its totient is φ = 380438846528.

The previous prime is 764244412111. The next prime is 764244412157. The reversal of 764244412144 is 441214442467.

It is a self number, because there is not a number n which added to its sum of digits gives 764244412144.

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, 105206227 + ... + 105213490.

Almost surely, 2^764244412144 is an apocalyptic number.

It is an amenable number.

764244412144 is a deficient number, since it is larger than the sum of its proper divisors (723002154680).

764244412144 is a wasteful number, since it uses less digits than its factorization.

764244412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210419952 (or 210419946 counting only the distinct ones).

The product of its digits is 688128, while the sum is 43.

The spelling of 764244412144 in words is "seven hundred sixty-four billion, two hundred forty-four million, four hundred twelve thousand, one hundred forty-four".