444532645303441 has 4 divisors (see below), whose sum is σ = 444856412708532. Its totient is φ = 444208877898352.

The previous prime is 444532645303423. The next prime is 444532645303499. The reversal of 444532645303441 is 144303546235444.

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 264840765097041 + 179691880206400 = 16273929^2 + 13404920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444532645303441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444532645303421) 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, 161883700486 + ... + 161883703231.

It is an arithmetic number, because the mean of its divisors is an integer number (111214103177133).

Almost surely, 2^{444532645303441} is an apocalyptic number.

It is an amenable number.

444532645303441 is a deficient number, since it is larger than the sum of its proper divisors (323767405091).

444532645303441 is a wasteful number, since it uses less digits than its factorization.

444532645303441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323767405090.

The product of its (nonzero) digits is 33177600, while the sum is 52.

The spelling of 444532645303441 in words is "four hundred forty-four trillion, five hundred thirty-two billion, six hundred forty-five million, three hundred three thousand, four hundred forty-one".