444475413 has 24 divisors (see below), whose sum is σ = 660711168. Its totient is φ = 287723232.

The previous prime is 444475399. The next prime is 444475429. The reversal of 444475413 is 314574444.

It is not a de Polignac number, because 444475413 - 2¹⁸ = 444213269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444475313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214420 + ... + 216482.

It is an arithmetic number, because the mean of its divisors is an integer number (27529632).

Almost surely, 2^444475413 is an apocalyptic number.

It is an amenable number.

444475413 is a deficient number, since it is larger than the sum of its proper divisors (216235755).

444475413 is a wasteful number, since it uses less digits than its factorization.

444475413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753 (or 2750 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 444475413 is about 21082.5855387806. The cubic root of 444475413 is about 763.1605530305.

The spelling of 444475413 in words is "four hundred forty-four million, four hundred seventy-five thousand, four hundred thirteen".