44412442421 has 8 divisors (see below), whose sum is σ = 47033011584. Its totient is φ = 41792770240.

The previous prime is 44412442381. The next prime is 44412442433. The reversal of 44412442421 is 12424421444.

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

It is a cyclic number.

It is not a de Polignac number, because 44412442421 - 2⁶ = 44412442357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44412442721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120935 + ... + 321636.

It is an arithmetic number, because the mean of its divisors is an integer number (5879126448).

Almost surely, 2^44412442421 is an apocalyptic number.

It is an amenable number.

44412442421 is a deficient number, since it is larger than the sum of its proper divisors (2620569163).

44412442421 is a wasteful number, since it uses less digits than its factorization.

44412442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448491.

The product of its digits is 32768, while the sum is 32.

Adding to 44412442421 its reverse (12424421444), we get a palindrome (56836863865).

The spelling of 44412442421 in words is "forty-four billion, four hundred twelve million, four hundred forty-two thousand, four hundred twenty-one".