42444400444 has 6 divisors (see below), whose sum is σ = 74277700784. Its totient is φ = 21222200220.

The previous prime is 42444400441. The next prime is 42444400451. The reversal of 42444400444 is 44400444424.

42444400444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444400441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305550052 + ... + 5305550059.

Almost surely, 2^42444400444 is an apocalyptic number.

It is an amenable number.

42444400444 is a deficient number, since it is larger than the sum of its proper divisors (31833300340).

42444400444 is a wasteful number, since it uses less digits than its factorization.

42444400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611100115 (or 10611100113 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 42444400444 its reverse (44400444424), we get a palindrome (86844844868).

The spelling of 42444400444 in words is "forty-two billion, four hundred forty-four million, four hundred thousand, four hundred forty-four".