444268141 has 4 divisors (see below), whose sum is σ = 444318300. Its totient is φ = 444217984.

The previous prime is 444268133. The next prime is 444268193. The reversal of 444268141 is 141862444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 364237225 = 8946^2 + 19085^2 .

It is a cyclic number.

It is not a de Polignac number, because 444268141 - 2³ = 444268133 is a prime.

It is a super-2 number, since 2×444268141² = 394748362215191762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444268097 and 444268106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444268441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7846 + ... + 30823.

It is an arithmetic number, because the mean of its divisors is an integer number (111079575).

Almost surely, 2^444268141 is an apocalyptic number.

It is an amenable number.

444268141 is a deficient number, since it is larger than the sum of its proper divisors (50159).

444268141 is a wasteful number, since it uses less digits than its factorization.

444268141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50158.

The product of its digits is 24576, while the sum is 34.

The square root of 444268141 is about 21077.6692497060. The cubic root of 444268141 is about 763.0419064911.

The spelling of 444268141 in words is "four hundred forty-four million, two hundred sixty-eight thousand, one hundred forty-one".