4001223668775 has 48 divisors (see below), whose sum is σ = 6660465991584. Its totient is φ = 2119446650880.

The previous prime is 4001223668747. The next prime is 4001223668803. The reversal of 4001223668775 is 5778663221004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4001223668747) and next prime (4001223668803).

It is not a de Polignac number, because 4001223668775 - 2⁹ = 4001223668263 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 26689827 + ... + 26839323.

It is an arithmetic number, because the mean of its divisors is an integer number (138759708158).

Almost surely, 2^{4001223668775} is an apocalyptic number.

4001223668775 is a deficient number, since it is larger than the sum of its proper divisors (2659242322809).

4001223668775 is a wasteful number, since it uses less digits than its factorization.

4001223668775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151940 (or 151935 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

Adding to 4001223668775 its reverse (5778663221004), we get a palindrome (9779886889779).

The spelling of 4001223668775 in words is "four trillion, one billion, two hundred twenty-three million, six hundred sixty-eight thousand, seven hundred seventy-five".