404166667911 has 8 divisors (see below), whose sum is σ = 549056605680. Its totient is φ = 264360587712.

The previous prime is 404166667903. The next prime is 404166667921. The reversal of 404166667911 is 119766661404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404166667911 - 2³ = 404166667903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404166667901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270964206 + ... + 1270964523.

It is an arithmetic number, because the mean of its divisors is an integer number (68632075710).

Almost surely, 2^404166667911 is an apocalyptic number.

404166667911 is a deficient number, since it is larger than the sum of its proper divisors (144889937769).

404166667911 is a wasteful number, since it uses less digits than its factorization.

404166667911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541928785.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 404166667911 in words is "four hundred four billion, one hundred sixty-six million, six hundred sixty-seven thousand, nine hundred eleven".