444406485 has 32 divisors (see below), whose sum is σ = 757532160. Its totient is φ = 221825088.

The previous prime is 444406481. The next prime is 444406489. The reversal of 444406485 is 584604444.

It is an interprime number because it is at equal distance from previous prime (444406481) and next prime (444406489).

It is not a de Polignac number, because 444406485 - 2² = 444406481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444406481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14262 + ... + 33048.

It is an arithmetic number, because the mean of its divisors is an integer number (23672880).

Almost surely, 2^444406485 is an apocalyptic number.

It is an amenable number.

444406485 is a deficient number, since it is larger than the sum of its proper divisors (313125675).

444406485 is a wasteful number, since it uses less digits than its factorization.

444406485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18897.

The product of its (nonzero) digits is 245760, while the sum is 39.

The square root of 444406485 is about 21080.9507612916. The cubic root of 444406485 is about 763.1211013920.

The spelling of 444406485 in words is "four hundred forty-four million, four hundred six thousand, four hundred eighty-five".