4224444424400 has 60 divisors (see below), whose sum is σ = 10150214448864. Its totient is φ = 1689613488000.

The previous prime is 4224444424379. The next prime is 4224444424441. The reversal of 4224444424400 is 44244444224.

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, 3648215 + ... + 4664585.

Almost surely, 2^{4224444424400} is an apocalyptic number.

4224444424400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4224444424400 is an abundant number, since it is smaller than the sum of its proper divisors (5925770024464).

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

4224444424400 is a wasteful number, since it uses less digits than its factorization.

4224444424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026780 (or 1026769 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 4224444424400 its reverse (44244444224), we get a palindrome (4268688868624).

The spelling of 4224444424400 in words is "four trillion, two hundred twenty-four billion, four hundred forty-four million, four hundred twenty-four thousand, four hundred".