764080044 has 96 divisors (see below), whose sum is σ = 2253705216. Its totient is φ = 196058880.

The previous prime is 764080001. The next prime is 764080073. The reversal of 764080044 is 440080467.

It is a junction number, because it is equal to n+sod(n) for n = 764079987 and 764080014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30949 + ... + 49859.

It is an arithmetic number, because the mean of its divisors is an integer number (23476096).

Almost surely, 2^764080044 is an apocalyptic number.

764080044 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764080044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126852608).

764080044 is an abundant number, since it is smaller than the sum of its proper divisors (1489625172).

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

764080044 is a wasteful number, since it uses less digits than its factorization.

764080044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975 (or 18973 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 764080044 is about 27641.9978293900. The cubic root of 764080044 is about 914.2106698683.

The spelling of 764080044 in words is "seven hundred sixty-four million, eighty thousand, forty-four".