42221412344 has 8 divisors (see below), whose sum is σ = 79165148160. Its totient is φ = 21110706168.

The previous prime is 42221412341. The next prime is 42221412379. The reversal of 42221412344 is 44321412224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221412341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2638838264 + ... + 2638838279.

It is an arithmetic number, because the mean of its divisors is an integer number (9895643520).

Almost surely, 2^42221412344 is an apocalyptic number.

It is an amenable number.

42221412344 is a deficient number, since it is larger than the sum of its proper divisors (36943735816).

42221412344 is a wasteful number, since it uses less digits than its factorization.

42221412344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277676549 (or 5277676545 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 42221412344 its reverse (44321412224), we get a palindrome (86542824568).

The spelling of 42221412344 in words is "forty-two billion, two hundred twenty-one million, four hundred twelve thousand, three hundred forty-four".