44442439 has 8 divisors (see below), whose sum is σ = 45929840. Its totient is φ = 42970176.

The previous prime is 44442427. The next prime is 44442443. The reversal of 44442439 is 93424444.

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 44442439 - 2¹⁵ = 44409671 is a prime.

It is a super-3 number, since 3×44442439³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44443439) 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, 2347 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (5741230).

Almost surely, 2^44442439 is an apocalyptic number.

44442439 is a deficient number, since it is larger than the sum of its proper divisors (1487401).

44442439 is a wasteful number, since it uses less digits than its factorization.

44442439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569.

The product of its digits is 55296, while the sum is 34.

The square root of 44442439 is about 6666.5162566366. The cubic root of 44442439 is about 354.2141952239.

The spelling of 44442439 in words is "forty-four million, four hundred forty-two thousand, four hundred thirty-nine".