4000204242 has 24 divisors (see below), whose sum is σ = 8669728080. Its totient is φ = 1332998520.

The previous prime is 4000204127. The next prime is 4000204253. The reversal of 4000204242 is 2424020004.

4000204242 is a `hidden beast` number, since 400 + 0 + 20 + 4 + 242 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31009 + ... + 94667.

It is an arithmetic number, because the mean of its divisors is an integer number (361238670).

Almost surely, 2^4000204242 is an apocalyptic number.

4000204242 is an abundant number, since it is smaller than the sum of its proper divisors (4669523838).

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

4000204242 is a wasteful number, since it uses less digits than its factorization.

4000204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67158 (or 67155 counting only the distinct ones).

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

The square root of 4000204242 is about 63247.1678575413. The cubic root of 4000204242 is about 1587.4280693388.

Adding to 4000204242 its reverse (2424020004), we get a palindrome (6424224246).

The spelling of 4000204242 in words is "four billion, two hundred four thousand, two hundred forty-two".