4022400444 has 24 divisors (see below), whose sum is σ = 9562689360. Its totient is φ = 1315501824.

The previous prime is 4022400439. The next prime is 4022400449. The reversal of 4022400444 is 4440042204.

It is an interprime number because it is at equal distance from previous prime (4022400439) and next prime (4022400449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022400449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161629 + ... + 3162900.

It is an arithmetic number, because the mean of its divisors is an integer number (398445390).

Almost surely, 2^4022400444 is an apocalyptic number.

It is an amenable number.

4022400444 is an abundant number, since it is smaller than the sum of its proper divisors (5540288916).

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

4022400444 is a wasteful number, since it uses less digits than its factorization.

4022400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324589 (or 6324587 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4022400444 is about 63422.3970218723. The cubic root of 4022400444 is about 1590.3587450476.

Adding to 4022400444 its reverse (4440042204), we get a palindrome (8462442648).

The spelling of 4022400444 in words is "four billion, twenty-two million, four hundred thousand, four hundred forty-four".