444242023433 has 4 divisors (see below), whose sum is σ = 478414486788. Its totient is φ = 410069560080.

The previous prime is 444242023367. The next prime is 444242023457. The reversal of 444242023433 is 334320242444.

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 230638141504 + 213603881929 = 480248^2 + 462173^2 .

It is a cyclic number.

It is not a de Polignac number, because 444242023433 - 2¹² = 444242019337 is a prime.

It is a super-2 number, since 2×444242023433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444242023393 and 444242023402.

It is not an unprimeable number, because it can be changed into a prime (444242023333) 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, 17086231658 + ... + 17086231683.

It is an arithmetic number, because the mean of its divisors is an integer number (119603621697).

Almost surely, 2^444242023433 is an apocalyptic number.

It is an amenable number.

444242023433 is a deficient number, since it is larger than the sum of its proper divisors (34172463355).

444242023433 is a wasteful number, since it uses less digits than its factorization.

444242023433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34172463354.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 444242023433 its reverse (334320242444), we get a palindrome (778562265877).

The spelling of 444242023433 in words is "four hundred forty-four billion, two hundred forty-two million, twenty-three thousand, four hundred thirty-three".