4026684640442 has 32 divisors (see below), whose sum is σ = 6382060830720. Its totient is φ = 1902313969920.

The previous prime is 4026684640441. The next prime is 4026684640463. The reversal of 4026684640442 is 2440464866204.

4026684640442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4026684640441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22238498 + ... + 22418834.

It is an arithmetic number, because the mean of its divisors is an integer number (199439400960).

Almost surely, 2^{4026684640442} is an apocalyptic number.

4026684640442 is a deficient number, since it is larger than the sum of its proper divisors (2355376190278).

4026684640442 is a wasteful number, since it uses less digits than its factorization.

4026684640442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188606.

The product of its (nonzero) digits is 7077888, while the sum is 50.

The spelling of 4026684640442 in words is "four trillion, twenty-six billion, six hundred eighty-four million, six hundred forty thousand, four hundred forty-two".