44041021 has 16 divisors (see below), whose sum is σ = 47443968. Its totient is φ = 40783600.

The previous prime is 44041013. The next prime is 44041037. The reversal of 44041021 is 12014044.

It is not a de Polignac number, because 44041021 - 2³ = 44041013 is a prime.

It is a super-2 number, since 2×44041021² = 3879223061444882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44040986 and 44041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44041001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141456 + ... + 141766.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^44041021 is an apocalyptic number.

It is an amenable number.

44041021 is a deficient number, since it is larger than the sum of its proper divisors (3402947).

44041021 is a wasteful number, since it uses less digits than its factorization.

44041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 44041021 is about 6636.3409345813. The cubic root of 44041021 is about 353.1445103795.

Adding to 44041021 its reverse (12014044), we get a palindrome (56055065).

The spelling of 44041021 in words is "forty-four million, forty-one thousand, twenty-one".