4440233013021 has 12 divisors (see below), whose sum is σ = 6907029131548. Its totient is φ = 2732451084864.

The previous prime is 4440233013001. The next prime is 4440233013059. The reversal of 4440233013021 is 1203103320444.

It can be written as a sum of positive squares in 2 ways, for example, as 1765340052921 + 2674892960100 = 1328661^2 + 1635510^2 .

It is not a de Polignac number, because 4440233013021 - 2⁵ = 4440233012989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440233013001) 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, 18975354640 + ... + 18975354873.

Almost surely, 2^{4440233013021} is an apocalyptic number.

It is an amenable number.

4440233013021 is a deficient number, since it is larger than the sum of its proper divisors (2466796118527).

4440233013021 is a wasteful number, since it uses less digits than its factorization.

4440233013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37950709532 (or 37950709529 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4440233013021 its reverse (1203103320444), we get a palindrome (5643336333465).

The spelling of 4440233013021 in words is "four trillion, four hundred forty billion, two hundred thirty-three million, thirteen thousand, twenty-one".