4045042422 has 32 divisors (see below), whose sum is σ = 9198034560. Its totient is φ = 1316989800.

The previous prime is 4045042403. The next prime is 4045042423. The reversal of 4045042422 is 2242405404.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045042423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868704 + ... + 873347.

It is an arithmetic number, because the mean of its divisors is an integer number (287438580).

Almost surely, 2^4045042422 is an apocalyptic number.

4045042422 is an abundant number, since it is smaller than the sum of its proper divisors (5152992138).

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

4045042422 is a wasteful number, since it uses less digits than its factorization.

4045042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742105 (or 1742099 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4045042422 is about 63600.6479683973. The cubic root of 4045042422 is about 1593.3371915762.

Adding to 4045042422 its reverse (2242405404), we get a palindrome (6287447826).

The spelling of 4045042422 in words is "four billion, forty-five million, forty-two thousand, four hundred twenty-two".