44234403021 has 20 divisors (see below), whose sum is σ = 67615268512. Its totient is φ = 28803795048.

The previous prime is 44234403011. The next prime is 44234403079. The reversal of 44234403021 is 12030443244.

It is a happy number.

44234403021 is a `hidden beast` number, since 4 + 4 + 234 + 403 + 0 + 21 = 666.

44234403021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44234403021 - 2¹⁵ = 44234370253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44234403011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6346561 + ... + 6353526.

Almost surely, 2^44234403021 is an apocalyptic number.

It is an amenable number.

44234403021 is a deficient number, since it is larger than the sum of its proper divisors (23380865491).

44234403021 is a wasteful number, since it uses less digits than its factorization.

44234403021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12700142 (or 12700133 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 44234403021 its reverse (12030443244), we get a palindrome (56264846265).

The spelling of 44234403021 in words is "forty-four billion, two hundred thirty-four million, four hundred three thousand, twenty-one".