444331061 has 4 divisors (see below), whose sum is σ = 444482124. Its totient is φ = 444180000.

The previous prime is 444331051. The next prime is 444331067. The reversal of 444331061 is 160133444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155127025 + 289204036 = 12455^2 + 17006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444331061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444331061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444331067) 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, 71030 + ... + 77031.

It is an arithmetic number, because the mean of its divisors is an integer number (111120531).

Almost surely, 2^444331061 is an apocalyptic number.

It is an amenable number.

444331061 is a deficient number, since it is larger than the sum of its proper divisors (151063).

444331061 is a wasteful number, since it uses less digits than its factorization.

444331061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151062.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 444331061 is about 21079.1617717593. The cubic root of 444331061 is about 763.0779270277.

The spelling of 444331061 in words is "four hundred forty-four million, three hundred thirty-one thousand, sixty-one".