4001243034442 has 16 divisors (see below), whose sum is σ = 6295265017920. Its totient is φ = 1903722746112.

The previous prime is 4001243034403. The next prime is 4001243034463. The reversal of 4001243034442 is 2444303421004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225337092 + ... + 225354847.

It is an arithmetic number, because the mean of its divisors is an integer number (393454063620).

Almost surely, 2^{4001243034442} is an apocalyptic number.

4001243034442 is a deficient number, since it is larger than the sum of its proper divisors (2294021983478).

4001243034442 is a wasteful number, since it uses less digits than its factorization.

4001243034442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450692157.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4001243034442 its reverse (2444303421004), we get a palindrome (6445546455446).

The spelling of 4001243034442 in words is "four trillion, one billion, two hundred forty-three million, thirty-four thousand, four hundred forty-two".