439433440004 has 12 divisors (see below), whose sum is σ = 828163021644. Its totient is φ = 202815433824.

The previous prime is 439433439979. The next prime is 439433440031. The reversal of 439433440004 is 400044334934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 153852217600 + 285581222404 = 392240^2 + 534398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 439433440004.

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, 4225321487 + ... + 4225321590.

It is an arithmetic number, because the mean of its divisors is an integer number (69013585137).

Almost surely, 2^439433440004 is an apocalyptic number.

It is an amenable number.

439433440004 is a deficient number, since it is larger than the sum of its proper divisors (388729581640).

439433440004 is a wasteful number, since it uses less digits than its factorization.

439433440004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450643094 (or 8450643092 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 439433440004 its reverse (400044334934), we get a palindrome (839477774938).

The spelling of 439433440004 in words is "four hundred thirty-nine billion, four hundred thirty-three million, four hundred forty thousand, four".