404070040667 has 4 divisors (see below), whose sum is σ = 404084516736. Its totient is φ = 404055564600.

The previous prime is 404070040631. The next prime is 404070040681. The reversal of 404070040667 is 766040070404.

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

It is a cyclic number.

It is not a de Polignac number, because 404070040667 - 2⁶ = 404070040603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404070040667.

It is not an unprimeable number, because it can be changed into a prime (404070040567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7196084 + ... + 7252017.

It is an arithmetic number, because the mean of its divisors is an integer number (101021129184).

Almost surely, 2^404070040667 is an apocalyptic number.

404070040667 is a deficient number, since it is larger than the sum of its proper divisors (14476069).

404070040667 is a wasteful number, since it uses less digits than its factorization.

404070040667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476068.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 404070040667 in words is "four hundred four billion, seventy million, forty thousand, six hundred sixty-seven".