44242200040221 has 12 divisors (see below), whose sum is σ = 63914304345372. Its totient is φ = 29490690355776.

The previous prime is 44242200040211. The next prime is 44242200040261. The reversal of 44242200040221 is 12204000224244.

It can be written as a sum of positive squares in 2 ways, for example, as 26204672902500 + 18037527137721 = 5119050^2 + 4247061^2 .

It is not a de Polignac number, because 44242200040221 - 2⁵ = 44242200040189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44242200040211) 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, 342404406 + ... + 342533591.

It is an arithmetic number, because the mean of its divisors is an integer number (5326192028781).

Almost surely, 2^{44242200040221} is an apocalyptic number.

It is an amenable number.

44242200040221 is a deficient number, since it is larger than the sum of its proper divisors (19672104305151).

44242200040221 is a wasteful number, since it uses less digits than its factorization.

44242200040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684945180 (or 684945177 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 44242200040221 its reverse (12204000224244), we get a palindrome (56446200264465).

The spelling of 44242200040221 in words is "forty-four trillion, two hundred forty-two billion, two hundred million, forty thousand, two hundred twenty-one".