444444242444445 has 16 divisors (see below), whose sum is σ = 734049845586432. Its totient is φ = 229390576745280.

The previous prime is 444444242444437. The next prime is 444444242444467. The reversal of 444444242444445 is 544444242444444.

It is not a de Polignac number, because 444444242444445 - 2³ = 444444242444437 is a prime.

It is a super-2 number, since 2×444444242444445² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477897034422 + ... + 477897035351.

It is an arithmetic number, because the mean of its divisors is an integer number (45878115349152).

Almost surely, 2^{444444242444445} is an apocalyptic number.

It is an amenable number.

444444242444445 is a deficient number, since it is larger than the sum of its proper divisors (289605603141987).

444444242444445 is a wasteful number, since it uses less digits than its factorization.

444444242444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955794069812.

The product of its digits is 335544320, while the sum is 57.

Adding to 444444242444445 its reverse (544444242444444), we get a palindrome (988888484888889).

Subtracting 444444242444445 from its reverse (544444242444444), we obtain a palindrome (99999999999999).

The spelling of 444444242444445 in words is "four hundred forty-four trillion, four hundred forty-four billion, two hundred forty-two million, four hundred forty-four thousand, four hundred forty-five".