2204040042 has 48 divisors (see below), whose sum is σ = 4826345472. Its totient is φ = 726878880.

The previous prime is 2204040031. The next prime is 2204040101. The reversal of 2204040042 is 2400404022.

2204040042 is a `hidden beast` number, since 220 + 4 + 0 + 400 + 42 = 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 = 2204039997 and 2204040024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 984148 + ... + 986384.

It is an arithmetic number, because the mean of its divisors is an integer number (100548864).

Almost surely, 2^2204040042 is an apocalyptic number.

2204040042 is an abundant number, since it is smaller than the sum of its proper divisors (2622305430).

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

2204040042 is a wasteful number, since it uses less digits than its factorization.

2204040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803 (or 2800 counting only the distinct ones).

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

The square root of 2204040042 is about 46947.2048369229. The cubic root of 2204040042 is about 1301.3870879055.

Adding to 2204040042 its reverse (2400404022), we get a palindrome (4604444064).

The spelling of 2204040042 in words is "two billion, two hundred four million, forty thousand, forty-two".