444457363 has 16 divisors (see below), whose sum is σ = 515068416. Its totient is φ = 375661440.

The previous prime is 444457337. The next prime is 444457369. The reversal of 444457363 is 363754444.

It is a happy number.

It is not a de Polignac number, because 444457363 - 2¹⁷ = 444326291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444457369) 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 15 ways as a sum of consecutive naturals, for example, 165570 + ... + 168232.

It is an arithmetic number, because the mean of its divisors is an integer number (32191776).

Almost surely, 2^444457363 is an apocalyptic number.

444457363 is a deficient number, since it is larger than the sum of its proper divisors (70611053).

444457363 is a wasteful number, since it uses less digits than its factorization.

444457363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its digits is 483840, while the sum is 40.

The square root of 444457363 is about 21082.1574560100. The cubic root of 444457363 is about 763.1502223245.

The spelling of 444457363 in words is "four hundred forty-four million, four hundred fifty-seven thousand, three hundred sixty-three".