44042421 has 8 divisors (see below), whose sum is σ = 59466880. Its totient is φ = 28989792.

The previous prime is 44042419. The next prime is 44042423. The reversal of 44042421 is 12424044.

It is an interprime number because it is at equal distance from previous prime (44042419) and next prime (44042423).

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

It is not a de Polignac number, because 44042421 - 2¹ = 44042419 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 (44042423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92680 + ... + 93153.

It is an arithmetic number, because the mean of its divisors is an integer number (7433360).

Almost surely, 2^44042421 is an apocalyptic number.

It is an amenable number.

44042421 is a deficient number, since it is larger than the sum of its proper divisors (15424459).

44042421 is a wasteful number, since it uses less digits than its factorization.

44042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185915.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44042421 is about 6636.4464135560. The cubic root of 44042421 is about 353.1482523233.

Adding to 44042421 its reverse (12424044), we get a palindrome (56466465).

The spelling of 44042421 in words is "forty-four million, forty-two thousand, four hundred twenty-one".