44035021 has 4 divisors (see below), whose sum is σ = 45553500. Its totient is φ = 42516544.

The previous prime is 44035003. The next prime is 44035051. The reversal of 44035021 is 12053044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37332100 + 6702921 = 6110^2 + 2589^2 .

It is a cyclic number.

It is not a de Polignac number, because 44035021 - 2⁹ = 44034509 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 44035021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44035001) 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, 759196 + ... + 759253.

It is an arithmetic number, because the mean of its divisors is an integer number (11388375).

Almost surely, 2^44035021 is an apocalyptic number.

It is an amenable number.

44035021 is a deficient number, since it is larger than the sum of its proper divisors (1518479).

44035021 is a wasteful number, since it uses less digits than its factorization.

44035021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518478.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 44035021 is about 6635.8888628427. Note that the first 4 decimals coincide. The cubic root of 44035021 is about 353.1284725792.

Adding to 44035021 its reverse (12053044), we get a palindrome (56088065).

The spelling of 44035021 in words is "forty-four million, thirty-five thousand, twenty-one".