444063261 has 4 divisors (see below), whose sum is σ = 592084352. Its totient is φ = 296042172.

The previous prime is 444063253. The next prime is 444063271. The reversal of 444063261 is 162360444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444063261 - 2³ = 444063253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444063241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74010541 + ... + 74010546.

It is an arithmetic number, because the mean of its divisors is an integer number (148021088).

Almost surely, 2^444063261 is an apocalyptic number.

It is an amenable number.

444063261 is a deficient number, since it is larger than the sum of its proper divisors (148021091).

444063261 is a wasteful number, since it uses less digits than its factorization.

444063261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148021090.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 444063261 is about 21072.8085693388. The cubic root of 444063261 is about 762.9245929072.

The spelling of 444063261 in words is "four hundred forty-four million, sixty-three thousand, two hundred sixty-one".