764142044 has 48 divisors (see below), whose sum is σ = 1446149376. Its totient is φ = 351993600.

The previous prime is 764142037. The next prime is 764142053. The reversal of 764142044 is 440241467.

It is a self number, because there is not a number n which added to its sum of digits gives 764142044.

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 15 ways as a sum of consecutive naturals, for example, 786479 + ... + 787449.

It is an arithmetic number, because the mean of its divisors is an integer number (30128112).

Almost surely, 2^764142044 is an apocalyptic number.

It is an amenable number.

764142044 is a deficient number, since it is larger than the sum of its proper divisors (682007332).

764142044 is a wasteful number, since it uses less digits than its factorization.

764142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 764142044 is about 27643.1192885318. The cubic root of 764142044 is about 914.2353965658.

The spelling of 764142044 in words is "seven hundred sixty-four million, one hundred forty-two thousand, forty-four".