10021344444 has 72 divisors (see below), whose sum is σ = 26450135712. Its totient is φ = 3193153920.

The previous prime is 10021344427. The next prime is 10021344451. The reversal of 10021344444 is 44444312001.

10021344444 is a `hidden beast` number, since 1 + 0 + 0 + 213 + 4 + 4 + 444 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1769922 + ... + 1775574.

It is an arithmetic number, because the mean of its divisors is an integer number (367362996).

Almost surely, 2^10021344444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021344444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13225067856).

10021344444 is an abundant number, since it is smaller than the sum of its proper divisors (16428791268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021344444 is a wasteful number, since it uses less digits than its factorization.

10021344444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827 (or 7822 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10021344444 its reverse (44444312001), we get a palindrome (54465656445).

The spelling of 10021344444 in words is "ten billion, twenty-one million, three hundred forty-four thousand, four hundred forty-four".