4002424420 has 12 divisors (see below), whose sum is σ = 8405091324. Its totient is φ = 1600969760.

The previous prime is 4002424417. The next prime is 4002424453. The reversal of 4002424420 is 244242004.

It can be written as a sum of positive squares in 2 ways, for example, as 2107911744 + 1894512676 = 45912^2 + 43526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4002424391 and 4002424400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100060591 + ... + 100060630.

It is an arithmetic number, because the mean of its divisors is an integer number (700424277).

Almost surely, 2^4002424420 is an apocalyptic number.

It is an amenable number.

4002424420 is an abundant number, since it is smaller than the sum of its proper divisors (4402666904).

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

4002424420 is a wasteful number, since it uses less digits than its factorization.

4002424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200121230 (or 200121228 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4002424420 is about 63264.7170229979. The cubic root of 4002424420 is about 1587.7216977668.

Adding to 4002424420 its reverse (244242004), we get a palindrome (4246666424).

The spelling of 4002424420 in words is "four billion, two million, four hundred twenty-four thousand, four hundred twenty".