42042221032 has 16 divisors (see below), whose sum is σ = 90090473760. Its totient is φ = 18018094704.

The previous prime is 42042221029. The next prime is 42042221033. The reversal of 42042221032 is 23012224024.

42042221032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42042220994 and 42042221012.

It is not an unprimeable number, because it can be changed into a prime (42042221033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375376918 + ... + 375377029.

It is an arithmetic number, because the mean of its divisors is an integer number (5630654610).

Almost surely, 2^42042221032 is an apocalyptic number.

It is an amenable number.

42042221032 is an abundant number, since it is smaller than the sum of its proper divisors (48048252728).

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

42042221032 is a wasteful number, since it uses less digits than its factorization.

42042221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750753960 (or 750753956 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42042221032 its reverse (23012224024), we get a palindrome (65054445056).

The spelling of 42042221032 in words is "forty-two billion, forty-two million, two hundred twenty-one thousand, thirty-two".