44026021 has 12 divisors (see below), whose sum is σ = 50185920. Its totient is φ = 38497680.

The previous prime is 44025991. The next prime is 44026033. The reversal of 44026021 is 12062044.

It is not a de Polignac number, because 44026021 - 2¹³ = 44017829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44026021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44026051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3645 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (4182160).

Almost surely, 2^44026021 is an apocalyptic number.

It is an amenable number.

44026021 is a deficient number, since it is larger than the sum of its proper divisors (6159899).

44026021 is a wasteful number, since it uses less digits than its factorization.

44026021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44026021 is about 6635.2106974835. The cubic root of 44026021 is about 353.1044131471.

Adding to 44026021 its reverse (12062044), we get a palindrome (56088065).

The spelling of 44026021 in words is "forty-four million, twenty-six thousand, twenty-one".