444044424244420 has 12 divisors (see below), whose sum is σ = 932493290913324. Its totient is φ = 177617769697760.

The previous prime is 444044424244411. The next prime is 444044424244429. The reversal of 444044424244420 is 24442424440444.

It is an interprime number because it is at equal distance from previous prime (444044424244411) and next prime (444044424244429).

It can be written as a sum of positive squares in 2 ways, for example, as 144876273039936 + 299168151204484 = 12036456^2 + 17296478^2 .

It is a super-2 number, since 2×444044424244420² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444044424244429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11101110606091 + ... + 11101110606130.

It is an arithmetic number, because the mean of its divisors is an integer number (77707774242777).

Almost surely, 2^{444044424244420} is an apocalyptic number.

It is an amenable number.

444044424244420 is an abundant number, since it is smaller than the sum of its proper divisors (488448866668904).

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

444044424244420 is a wasteful number, since it uses less digits than its factorization.

444044424244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22202221212230 (or 22202221212228 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 46.

Adding to 444044424244420 its reverse (24442424440444), we get a palindrome (468486848684864).

The spelling of 444044424244420 in words is "four hundred forty-four trillion, forty-four billion, four hundred twenty-four million, two hundred forty-four thousand, four hundred twenty".