4020424242 has 16 divisors (see below), whose sum is σ = 8390450880. Its totient is φ = 1281874352.

The previous prime is 4020424241. The next prime is 4020424253. The reversal of 4020424242 is 2424240204.

It is a super-2 number, since 2×4020424242² = 32327622171322549128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4020424241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14566617 + ... + 14566892.

It is an arithmetic number, because the mean of its divisors is an integer number (524403180).

Almost surely, 2^4020424242 is an apocalyptic number.

4020424242 is an abundant number, since it is smaller than the sum of its proper divisors (4370026638).

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

4020424242 is a wasteful number, since it uses less digits than its factorization.

4020424242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29133537.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4020424242 is about 63406.8154223188. The cubic root of 4020424242 is about 1590.0982550729.

Adding to 4020424242 its reverse (2424240204), we get a palindrome (6444664446).

It can be divided in two parts, 40204 and 24242, that added together give a palindrome (64446).

The spelling of 4020424242 in words is "four billion, twenty million, four hundred twenty-four thousand, two hundred forty-two".