4000444444422 has 24 divisors (see below), whose sum is σ = 8667669620064. Its totient is φ = 1333475329104.

The previous prime is 4000444444393. The next prime is 4000444444439. The reversal of 4000444444422 is 2244444440004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5244003 + ... + 5958225.

It is an arithmetic number, because the mean of its divisors is an integer number (361152900836).

Almost surely, 2^{4000444444422} is an apocalyptic number.

4000444444422 is an abundant number, since it is smaller than the sum of its proper divisors (4667225175642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000444444422 is a wasteful number, since it uses less digits than its factorization.

4000444444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025404 (or 1025401 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4000444444422 its reverse (2244444440004), we get a palindrome (6244888884426).

The spelling of 4000444444422 in words is "four trillion, four hundred forty-four million, four hundred forty-four thousand, four hundred twenty-two".