4040022044242 has 4 divisors (see below), whose sum is σ = 6060033066366. Its totient is φ = 2020011022120.

The previous prime is 4040022044221. The next prime is 4040022044323. The reversal of 4040022044242 is 2424402200404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3782282046481 + 257739997761 = 1944809^2 + 507681^2 .

It is a super-2 number, since 2×4040022044242² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4040022044242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005511059 + ... + 1010005511062.

Almost surely, 2^{4040022044242} is an apocalyptic number.

4040022044242 is a deficient number, since it is larger than the sum of its proper divisors (2020011022124).

4040022044242 is a wasteful number, since it uses less digits than its factorization.

4040022044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020011022123.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4040022044242 its reverse (2424402200404), we get a palindrome (6464424244646).

The spelling of 4040022044242 in words is "four trillion, forty billion, twenty-two million, forty-four thousand, two hundred forty-two".