44021424 has 20 divisors (see below), whose sum is σ = 113722136. Its totient is φ = 14673792.

The previous prime is 44021401. The next prime is 44021431. The reversal of 44021424 is 42412044.

It is a self number, because there is not a number n which added to its sum of digits gives 44021424.

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, 458509 + ... + 458604.

Almost surely, 2^44021424 is an apocalyptic number.

It is an amenable number.

44021424 is an abundant number, since it is smaller than the sum of its proper divisors (69700712).

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

44021424 is a wasteful number, since it uses less digits than its factorization.

44021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917124 (or 917118 counting only the distinct ones).

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

The square root of 44021424 is about 6634.8642789435. The cubic root of 44021424 is about 353.0921228587.

Adding to 44021424 its reverse (42412044), we get a palindrome (86433468).

The spelling of 44021424 in words is "forty-four million, twenty-one thousand, four hundred twenty-four".