444135772 has 6 divisors (see below), whose sum is σ = 777237608. Its totient is φ = 222067884.

The previous prime is 444135763. The next prime is 444135781. The reversal of 444135772 is 277531444.

It is an interprime number because it is at equal distance from previous prime (444135763) and next prime (444135781).

It is a congruent number.

It is an unprimeable number.

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, 55516968 + ... + 55516975.

Almost surely, 2^444135772 is an apocalyptic number.

It is an amenable number.

444135772 is a deficient number, since it is larger than the sum of its proper divisors (333101836).

444135772 is a wasteful number, since it uses less digits than its factorization.

444135772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111033947 (or 111033945 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 444135772 is about 21074.5289864329. The cubic root of 444135772 is about 762.9661165813.

The spelling of 444135772 in words is "four hundred forty-four million, one hundred thirty-five thousand, seven hundred seventy-two".