44421223312420 has 96 divisors (see below), whose sum is σ = 96675267870720. Its totient is φ = 17133275053440.

The previous prime is 44421223312409. The next prime is 44421223312423. The reversal of 44421223312420 is 2421332212444.

It is not an unprimeable number, because it can be changed into a prime (44421223312423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556456629 + ... + 556536451.

It is an arithmetic number, because the mean of its divisors is an integer number (1007034040320).

Almost surely, 2^{44421223312420} 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 44421223312420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48337633935360).

44421223312420 is an abundant number, since it is smaller than the sum of its proper divisors (52254044558300).

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

44421223312420 is a wasteful number, since it uses less digits than its factorization.

44421223312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88145 (or 88143 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 44421223312420 its reverse (2421332212444), we get a palindrome (46842555524864).

The spelling of 44421223312420 in words is "forty-four trillion, four hundred twenty-one billion, two hundred twenty-three million, three hundred twelve thousand, four hundred twenty".