4440233341021 has 4 divisors (see below), whose sum is σ = 4444025172544. Its totient is φ = 4436441509500.

The previous prime is 4440233341007. The next prime is 4440233341057. The reversal of 4440233341021 is 1201433320444.

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 4440233341021 - 2¹¹ = 4440233338973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4410233341021) 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, 1895914005 + ... + 1895916346.

It is an arithmetic number, because the mean of its divisors is an integer number (1111006293136).

Almost surely, 2^{4440233341021} is an apocalyptic number.

It is an amenable number.

4440233341021 is a deficient number, since it is larger than the sum of its proper divisors (3791831523).

4440233341021 is a wasteful number, since it uses less digits than its factorization.

4440233341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791831522.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4440233341021 its reverse (1201433320444), we get a palindrome (5641666661465).

The spelling of 4440233341021 in words is "four trillion, four hundred forty billion, two hundred thirty-three million, three hundred forty-one thousand, twenty-one".