42242111646 has 256 divisors, whose sum is σ = 107606016000. Its totient is φ = 10788111360.

The previous prime is 42242111621. The next prime is 42242111647. The reversal of 42242111646 is 64611124224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242111647) 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, 152498460 + ... + 152498736.

It is an arithmetic number, because the mean of its divisors is an integer number (420336000).

Almost surely, 2^42242111646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42242111646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53803008000).

42242111646 is an abundant number, since it is smaller than the sum of its proper divisors (65363904354).

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

42242111646 is a wasteful number, since it uses less digits than its factorization.

42242111646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 18432, while the sum is 33.

The spelling of 42242111646 in words is "forty-two billion, two hundred forty-two million, one hundred eleven thousand, six hundred forty-six".