42344001220388 has 72 divisors (see below), whose sum is σ = 87333904465920. Its totient is φ = 17910269354880.

The previous prime is 42344001220387. The next prime is 42344001220427. The reversal of 42344001220388 is 88302210044324.

42344001220388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42344001220387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301208 + ... + 9207536.

It is an arithmetic number, because the mean of its divisors is an integer number (1212970895360).

Almost surely, 2^{42344001220388} 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 42344001220388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43666952232960).

42344001220388 is an abundant number, since it is smaller than the sum of its proper divisors (44989903245532).

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

42344001220388 is a wasteful number, since it uses less digits than its factorization.

42344001220388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906665 (or 8906656 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 41.

The spelling of 42344001220388 in words is "forty-two trillion, three hundred forty-four billion, one million, two hundred twenty thousand, three hundred eighty-eight".