44521664442 has 8 divisors (see below), whose sum is σ = 89043328896. Its totient is φ = 14840554812.

The previous prime is 44521664441. The next prime is 44521664471. The reversal of 44521664442 is 24446612544.

It is a sphenic number, since it is the product of 3 distinct primes.

44521664442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 44521664394 and 44521664403.

It is not an unprimeable number, because it can be changed into a prime (44521664441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3710138698 + ... + 3710138709.

It is an arithmetic number, because the mean of its divisors is an integer number (11130416112).

Almost surely, 2^44521664442 is an apocalyptic number.

44521664442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44521664442 is a wasteful number, since it uses less digits than its factorization.

44521664442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420277412.

The product of its digits is 737280, while the sum is 42.

The spelling of 44521664442 in words is "forty-four billion, five hundred twenty-one million, six hundred sixty-four thousand, four hundred forty-two".