444240545 has 16 divisors (see below), whose sum is σ = 615164160. Its totient is φ = 301662144.

The previous prime is 444240479. The next prime is 444240547. The reversal of 444240545 is 545042444.

It is not a de Polignac number, because 444240545 - 2¹² = 444236449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444240547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58010 + ... + 65219.

It is an arithmetic number, because the mean of its divisors is an integer number (38447760).

Almost surely, 2^444240545 is an apocalyptic number.

It is an amenable number.

444240545 is a deficient number, since it is larger than the sum of its proper divisors (170923615).

444240545 is a wasteful number, since it uses less digits than its factorization.

444240545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123344.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 444240545 is about 21077.0146130803. The cubic root of 444240545 is about 763.0261072185.

Adding to 444240545 its reverse (545042444), we get a palindrome (989282989).

The spelling of 444240545 in words is "four hundred forty-four million, two hundred forty thousand, five hundred forty-five".