42111055422 has 96 divisors (see below), whose sum is σ = 97127316000. Its totient is φ = 13148593920.

The previous prime is 42111055397. The next prime is 42111055423. The reversal of 42111055422 is 22455011124.

It is a happy number.

42111055422 is a `hidden beast` number, since 4 + 2 + 1 + 110 + 5 + 542 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111055423) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 24639904 + ... + 24641612.

It is an arithmetic number, because the mean of its divisors is an integer number (1011742875).

Almost surely, 2^42111055422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42111055422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48563658000).

42111055422 is an abundant number, since it is smaller than the sum of its proper divisors (55016260578).

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

42111055422 is a wasteful number, since it uses less digits than its factorization.

42111055422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 42111055422 its reverse (22455011124), we get a palindrome (64566066546).

The spelling of 42111055422 in words is "forty-two billion, one hundred eleven million, fifty-five thousand, four hundred twenty-two".