42000442122030 has 128 divisors (see below), whose sum is σ = 121274312555520. Its totient is φ = 9094091719680.

The previous prime is 42000442122013. The next prime is 42000442122059. The reversal of 42000442122030 is 3022124400024.

It is a super-2 number, since 2×42000442122030² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49280920 + ... + 50125940.

It is an arithmetic number, because the mean of its divisors is an integer number (947455566840).

Almost surely, 2^{42000442122030} is an apocalyptic number.

42000442122030 is an abundant number, since it is smaller than the sum of its proper divisors (79273870433490).

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

42000442122030 is a wasteful number, since it uses less digits than its factorization.

42000442122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857514.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42000442122030 its reverse (3022124400024), we get a palindrome (45022566522054).

The spelling of 42000442122030 in words is "forty-two trillion, four hundred forty-two million, one hundred twenty-two thousand, thirty".