444321012432 has 80 divisors (see below), whose sum is σ = 1252652628672. Its totient is φ = 134591631360.

The previous prime is 444321012361. The next prime is 444321012517. The reversal of 444321012432 is 234210123444.

It is a self number, because there is not a number n which added to its sum of digits gives 444321012432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244538 + ... + 1561254.

Almost surely, 2^444321012432 is an apocalyptic number.

It is an amenable number.

444321012432 is an abundant number, since it is smaller than the sum of its proper divisors (808331616240).

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

444321012432 is a wasteful number, since it uses less digits than its factorization.

444321012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319396 (or 319390 counting only the distinct ones).

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

Adding to 444321012432 its reverse (234210123444), we get a palindrome (678531135876).

The spelling of 444321012432 in words is "four hundred forty-four billion, three hundred twenty-one million, twelve thousand, four hundred thirty-two".