4000408447023 has 12 divisors (see below), whose sum is σ = 5802545030880. Its totient is φ = 2655780222816.

The previous prime is 4000408446967. The next prime is 4000408447129. The reversal of 4000408447023 is 3207448040004.

It is a happy number.

It is not a de Polignac number, because 4000408447023 - 2²¹ = 4000406349871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000408440023) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 929892886 + ... + 929897187.

It is an arithmetic number, because the mean of its divisors is an integer number (483545419240).

Almost surely, 2^{4000408447023} is an apocalyptic number.

4000408447023 is a deficient number, since it is larger than the sum of its proper divisors (1802136583857).

4000408447023 is a wasteful number, since it uses less digits than its factorization.

4000408447023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859790318 (or 1859790315 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 4000408447023 in words is "four trillion, four hundred eight million, four hundred forty-seven thousand, twenty-three".