44243321240421 has 128 divisors (see below), whose sum is σ = 72221468774400. Its totient is φ = 26644368199680.

The previous prime is 44243321240413. The next prime is 44243321240423. The reversal of 44243321240421 is 12404212334244.

44243321240421 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 33 + 212 + 404 + 2 + 1 = 666.

It is not a de Polignac number, because 44243321240421 - 2³ = 44243321240413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243321240423) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5984484501 + ... + 5984491893.

It is an arithmetic number, because the mean of its divisors is an integer number (564230224800).

Almost surely, 2^{44243321240421} is an apocalyptic number.

It is an amenable number.

44243321240421 is a deficient number, since it is larger than the sum of its proper divisors (27978147533979).

44243321240421 is a wasteful number, since it uses less digits than its factorization.

44243321240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968 (or 8962 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 44243321240421 its reverse (12404212334244), we get a palindrome (56647533574665).

The spelling of 44243321240421 in words is "forty-four trillion, two hundred forty-three billion, three hundred twenty-one million, two hundred forty thousand, four hundred twenty-one".