444000442220 has 24 divisors (see below), whose sum is σ = 932702904000. Its totient is φ = 177542657792.

The previous prime is 444000442211. The next prime is 444000442229. The reversal of 444000442220 is 22244000444.

It is an interprime number because it is at equal distance from previous prime (444000442211) and next prime (444000442229).

It is a self number, because there is not a number n which added to its sum of digits gives 444000442220.

It is not an unprimeable number, because it can be changed into a prime (444000442229) 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, 3531620 + ... + 3655179.

It is an arithmetic number, because the mean of its divisors is an integer number (38862621000).

Almost surely, 2^444000442220 is an apocalyptic number.

It is an amenable number.

444000442220 is an abundant number, since it is smaller than the sum of its proper divisors (488702461780).

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

444000442220 is a wasteful number, since it uses less digits than its factorization.

444000442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189897 (or 7189895 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 444000442220 its reverse (22244000444), we get a palindrome (466244442664).

The spelling of 444000442220 in words is "four hundred forty-four billion, four hundred forty-two thousand, two hundred twenty".