4042400022 has 24 divisors (see below), whose sum is σ = 8765995680. Its totient is φ = 1346318640.

The previous prime is 4042400003. The next prime is 4042400027. The reversal of 4042400022 is 2200042404.

4042400022 is a `hidden beast` number, since 404 + 240 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4042399968 and 4042400004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042400027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73822 + ... + 116337.

It is an arithmetic number, because the mean of its divisors is an integer number (365249820).

Almost surely, 2^4042400022 is an apocalyptic number.

4042400022 is an abundant number, since it is smaller than the sum of its proper divisors (4723595658).

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

4042400022 is a wasteful number, since it uses less digits than its factorization.

4042400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191348 (or 191345 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4042400022 is about 63579.8712015053. The cubic root of 4042400022 is about 1592.9901699747.

Adding to 4042400022 its reverse (2200042404), we get a palindrome (6242442426).

The spelling of 4042400022 in words is "four billion, forty-two million, four hundred thousand, twenty-two".