42445221344000 has 144 divisors (see below), whose sum is σ = 105953508687936. Its totient is φ = 16943219712000.

The previous prime is 42445221343949. The next prime is 42445221344039. The reversal of 42445221344000 is 44312254424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14222180 + ... + 16945820.

Almost surely, 2^{42445221344000} is an apocalyptic number.

42445221344000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42445221344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52976754343968).

42445221344000 is an abundant number, since it is smaller than the sum of its proper divisors (63508287343936).

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

42445221344000 is an equidigital number, since it uses as much as digits as its factorization.

42445221344000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724159 (or 2724135 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 42445221344000 its reverse (44312254424), we get a palindrome (42489533598424).

The spelling of 42445221344000 in words is "forty-two trillion, four hundred forty-five billion, two hundred twenty-one million, three hundred forty-four thousand".