650004444 has 18 divisors (see below), whose sum is σ = 1643066880. Its totient is φ = 216668136.

The previous prime is 650004431. The next prime is 650004451. The reversal of 650004444 is 444400056.

650004444 is a `hidden beast` number, since 650 + 0 + 0 + 4 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9027804 + ... + 9027875.

Almost surely, 2^650004444 is an apocalyptic number.

It is an amenable number.

650004444 is an abundant number, since it is smaller than the sum of its proper divisors (993062436).

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

650004444 is a wasteful number, since it uses less digits than its factorization.

650004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055689 (or 18055684 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 650004444 is about 25495.1847218254. The cubic root of 650004444 is about 866.2410794731.

The spelling of 650004444 in words is "six hundred fifty million, four thousand, four hundred forty-four".