444004047 has 12 divisors (see below), whose sum is σ = 656982144. Its totient is φ = 288782880.

The previous prime is 444004039. The next prime is 444004049. The reversal of 444004047 is 740400444.

It is a happy number.

It is not a de Polignac number, because 444004047 - 2³ = 444004039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444004047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444004049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601263 + ... + 602000.

It is an arithmetic number, because the mean of its divisors is an integer number (54748512).

Almost surely, 2^444004047 is an apocalyptic number.

444004047 is a deficient number, since it is larger than the sum of its proper divisors (212978097).

444004047 is a wasteful number, since it uses less digits than its factorization.

444004047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203310 (or 1203307 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 444004047 is about 21071.4035365469. The cubic root of 444004047 is about 762.8906804530.

The spelling of 444004047 in words is "four hundred forty-four million, four thousand, forty-seven".