404140001 has 8 divisors (see below), whose sum is σ = 408710400. Its totient is φ = 399594672.

The previous prime is 404139991. The next prime is 404140003. The reversal of 404140001 is 100041404.

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

It is a cyclic number.

It is not a de Polignac number, because 404140001 - 2¹⁴ = 404123617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404140003) 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, 27146 + ... + 39308.

It is an arithmetic number, because the mean of its divisors is an integer number (51088800).

Almost surely, 2^404140001 is an apocalyptic number.

It is an amenable number.

404140001 is a deficient number, since it is larger than the sum of its proper divisors (4570399).

404140001 is a wasteful number, since it uses less digits than its factorization.

404140001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 404140001 is about 20103.2335956184. The cubic root of 404140001 is about 739.3395623162.

Adding to 404140001 its reverse (100041404), we get a palindrome (504181405).

The spelling of 404140001 in words is "four hundred four million, one hundred forty thousand, one".