44116021 has 4 divisors (see below), whose sum is σ = 44272192. Its totient is φ = 43959852.

The previous prime is 44116019. The next prime is 44116067. The reversal of 44116021 is 12061144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44116021 - 2¹ = 44116019 is a prime.

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 44116021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44113021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77661 + ... + 78226.

It is an arithmetic number, because the mean of its divisors is an integer number (11068048).

Almost surely, 2^44116021 is an apocalyptic number.

It is an amenable number.

44116021 is a deficient number, since it is larger than the sum of its proper divisors (156171).

44116021 is a wasteful number, since it uses less digits than its factorization.

44116021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156170.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 44116021 is about 6641.9892351614. The cubic root of 44116021 is about 353.3448600923.

Adding to 44116021 its reverse (12061144), we get a palindrome (56177165).

It can be divided in two parts, 441160 and 21, that multiplied together give a triangular number (9264360 = T₄₃₀₄).

The spelling of 44116021 in words is "forty-four million, one hundred sixteen thousand, twenty-one".