42032021922 has 162 divisors, whose sum is σ = 105193236603. Its totient is φ = 12119408400.

The previous prime is 42032021917. The next prime is 42032021951. The reversal of 42032021922 is 22912023024.

42032021922 is a `hidden beast` number, since 420 + 3 + 2 + 0 + 219 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21016010961 + 21016010961 = 144969^2 + 144969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=144969.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 220062847 + ... + 220063037.

Almost surely, 2^42032021922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42032021922

42032021922 is an abundant number, since it is smaller than the sum of its proper divisors (63161214681).

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

42032021922 is a wasteful number, since it uses less digits than its factorization.

42032021922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 42032021922 its reverse (22912023024), we get a palindrome (64944044946).

The spelling of 42032021922 in words is "forty-two billion, thirty-two million, twenty-one thousand, nine hundred twenty-two".