40221443304444 has 12 divisors (see below), whose sum is σ = 93850034377064. Its totient is φ = 13407147768144.

The previous prime is 40221443304359. The next prime is 40221443304461. The reversal of 40221443304444 is 44440334412204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1675893471007 + ... + 1675893471030.

Almost surely, 2^{40221443304444} is an apocalyptic number.

It is an amenable number.

40221443304444 is an abundant number, since it is smaller than the sum of its proper divisors (53628591072620).

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

40221443304444 is a wasteful number, since it uses less digits than its factorization.

40221443304444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351786942044 (or 3351786942042 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 40221443304444 its reverse (44440334412204), we get a palindrome (84661777716648).

The spelling of 40221443304444 in words is "forty trillion, two hundred twenty-one billion, four hundred forty-three million, three hundred four thousand, four hundred forty-four".