444744921024 has 224 divisors, whose sum is σ = 1325953802240. Its totient is φ = 146166902784.

The previous prime is 444744921017. The next prime is 444744921079. The reversal of 444744921024 is 420129447444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35765112 + ... + 35777544.

Almost surely, 2^444744921024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444744921024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662976901120).

444744921024 is an abundant number, since it is smaller than the sum of its proper divisors (881208881216).

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

444744921024 is a wasteful number, since it uses less digits than its factorization.

444744921024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744 (or 12728 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 444744921024 in words is "four hundred forty-four billion, seven hundred forty-four million, nine hundred twenty-one thousand, twenty-four".