444433122221000 has 256 divisors, whose sum is σ = 1246150917273600. Its totient is φ = 146449356768000.

The previous prime is 444433122220999. The next prime is 444433122221051. The reversal of 444433122221000 is 122221334444.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41420702 + ... + 51034701.

It is an arithmetic number, because the mean of its divisors is an integer number (4867777020600).

Almost surely, 2^{444433122221000} is an apocalyptic number.

444433122221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444433122221000 is an abundant number, since it is smaller than the sum of its proper divisors (801717795052600).

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

444433122221000 is a wasteful number, since it uses less digits than its factorization.

444433122221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92455477 (or 92455463 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 444433122221000 its reverse (122221334444), we get a palindrome (444555343555444).

The spelling of 444433122221000 in words is "four hundred forty-four trillion, four hundred thirty-three billion, one hundred twenty-two million, two hundred twenty-one thousand".