444243411142 has 4 divisors (see below), whose sum is σ = 666365116716. Its totient is φ = 222121705570.

The previous prime is 444243411133. The next prime is 444243411149. The reversal of 444243411142 is 241114342444.

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

It is a junction number, because it is equal to n+sod(n) for n = 444243411098 and 444243411107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444243411149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060852784 + ... + 111060852787.

It is an arithmetic number, because the mean of its divisors is an integer number (166591279179).

Almost surely, 2^444243411142 is an apocalyptic number.

444243411142 is a deficient number, since it is larger than the sum of its proper divisors (222121705574).

444243411142 is a wasteful number, since it uses less digits than its factorization.

444243411142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222121705573.

The product of its digits is 49152, while the sum is 34.

Adding to 444243411142 its reverse (241114342444), we get a palindrome (685357753586).

The spelling of 444243411142 in words is "four hundred forty-four billion, two hundred forty-three million, four hundred eleven thousand, one hundred forty-two".