444141172 has 6 divisors (see below), whose sum is σ = 777247058. Its totient is φ = 222070584.

The previous prime is 444141161. The next prime is 444141179. The reversal of 444141172 is 271141444.

It can be written as a sum of positive squares in only one way, i.e., 443776356 + 364816 = 21066^2 + 604^2 .

It is a super-2 number, since 2×444141172² = 394522761331067168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444141172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444141179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55517643 + ... + 55517650.

Almost surely, 2^444141172 is an apocalyptic number.

It is an amenable number.

444141172 is a deficient number, since it is larger than the sum of its proper divisors (333105886).

444141172 is a wasteful number, since it uses less digits than its factorization.

444141172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111035297 (or 111035295 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 444141172 is about 21074.6571027858. The cubic root of 444141172 is about 762.9692087291.

The spelling of 444141172 in words is "four hundred forty-four million, one hundred forty-one thousand, one hundred seventy-two".