444434321001 has 64 divisors (see below), whose sum is σ = 710501953536. Its totient is φ = 244047590400.

The previous prime is 444434320997. The next prime is 444434321003. The reversal of 444434321001 is 100123434444.

It is not a de Polignac number, because 444434321001 - 2² = 444434320997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444434321001.

It is not an unprimeable number, because it can be changed into a prime (444434321003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1470226 + ... + 1746548.

It is an arithmetic number, because the mean of its divisors is an integer number (11101593024).

Almost surely, 2^444434321001 is an apocalyptic number.

It is an amenable number.

444434321001 is a deficient number, since it is larger than the sum of its proper divisors (266067632535).

444434321001 is a wasteful number, since it uses less digits than its factorization.

444434321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276462.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 444434321001 its reverse (100123434444), we get a palindrome (544557755445).

The spelling of 444434321001 in words is "four hundred forty-four billion, four hundred thirty-four million, three hundred twenty-one thousand, one".