444424892 has 6 divisors (see below), whose sum is σ = 777743568. Its totient is φ = 222212444.

The previous prime is 444424891. The next prime is 444424921. The reversal of 444424892 is 298424444.

It is a super-3 number, since 3×444424892³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444424891) 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 as a sum of consecutive naturals, namely, 55553108 + ... + 55553115.

It is an arithmetic number, because the mean of its divisors is an integer number (129623928).

Almost surely, 2^444424892 is an apocalyptic number.

It is an amenable number.

444424892 is a deficient number, since it is larger than the sum of its proper divisors (333318676).

444424892 is a wasteful number, since it uses less digits than its factorization.

444424892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111106227 (or 111106225 counting only the distinct ones).

The product of its digits is 294912, while the sum is 41.

The square root of 444424892 is about 21081.3873357519. The cubic root of 444424892 is about 763.1316372240.

The spelling of 444424892 in words is "four hundred forty-four million, four hundred twenty-four thousand, eight hundred ninety-two".