4431894004 has 12 divisors (see below), whose sum is σ = 7785306144. Its totient is φ = 2207520824.

The previous prime is 4431893987. The next prime is 4431894011. The reversal of 4431894004 is 4004981344.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105362 + ... + 2107465.

It is an arithmetic number, because the mean of its divisors is an integer number (648775512).

Almost surely, 2^4431894004 is an apocalyptic number.

It is an amenable number.

4431894004 is a deficient number, since it is larger than the sum of its proper divisors (3353412140).

4431894004 is a wasteful number, since it uses less digits than its factorization.

4431894004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213094 (or 4213092 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 4431894004 is about 66572.4718183124. The cubic root of 4431894004 is about 1642.5923214774.

The spelling of 4431894004 in words is "four billion, four hundred thirty-one million, eight hundred ninety-four thousand, four".