4020240422 has 8 divisors (see below), whose sum is σ = 6578575272. Its totient is φ = 1827382000.

The previous prime is 4020240421. The next prime is 4020240443. The reversal of 4020240422 is 2240420204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4020240394 and 4020240403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020240421) 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, 91369079 + ... + 91369122.

It is an arithmetic number, because the mean of its divisors is an integer number (822321909).

Almost surely, 2^4020240422 is an apocalyptic number.

4020240422 is a deficient number, since it is larger than the sum of its proper divisors (2558334850).

4020240422 is a wasteful number, since it uses less digits than its factorization.

4020240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182738214.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4020240422 is about 63405.3658770297. The cubic root of 4020240422 is about 1590.0740207883.

Adding to 4020240422 its reverse (2240420204), we get a palindrome (6260660626).

It can be divided in two parts, 4020 and 240422, that added together give a palindrome (244442).

The spelling of 4020240422 in words is "four billion, twenty million, two hundred forty thousand, four hundred twenty-two".