404066700667 has 16 divisors (see below), whose sum is σ = 491411750400. Its totient is φ = 324331717248.

The previous prime is 404066700629. The next prime is 404066700727. The reversal of 404066700667 is 766007660404.

It is not a de Polignac number, because 404066700667 - 2¹⁹ = 404066176379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404066700617) 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, 8507773 + ... + 8555134.

It is an arithmetic number, because the mean of its divisors is an integer number (30713234400).

Almost surely, 2^404066700667 is an apocalyptic number.

404066700667 is a deficient number, since it is larger than the sum of its proper divisors (87345049733).

404066700667 is a wasteful number, since it uses less digits than its factorization.

404066700667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17063130.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 404066700667 in words is "four hundred four billion, sixty-six million, seven hundred thousand, six hundred sixty-seven".