444206121052 has 12 divisors (see below), whose sum is σ = 777371610456. Its totient is φ = 222099946640.

The previous prime is 444206121049. The next prime is 444206121067. The reversal of 444206121052 is 250121602444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441274 + ... + 1040737.

It is an arithmetic number, because the mean of its divisors is an integer number (64780967538).

Almost surely, 2^444206121052 is an apocalyptic number.

It is an amenable number.

444206121052 is a deficient number, since it is larger than the sum of its proper divisors (333165489404).

444206121052 is a wasteful number, since it uses less digits than its factorization.

444206121052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556948 (or 1556946 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 444206121052 its reverse (250121602444), we get a palindrome (694327723496).

The spelling of 444206121052 in words is "four hundred forty-four billion, two hundred six million, one hundred twenty-one thousand, fifty-two".