40404201 has 4 divisors (see below), whose sum is σ = 53872272. Its totient is φ = 26936132.

The previous prime is 40404173. The next prime is 40404209. The reversal of 40404201 is 10240404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40404201 - 2⁹ = 40403689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40404209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734031 + ... + 6734036.

It is an arithmetic number, because the mean of its divisors is an integer number (13468068).

Almost surely, 2^40404201 is an apocalyptic number.

It is an amenable number.

40404201 is a deficient number, since it is larger than the sum of its proper divisors (13468071).

40404201 is a wasteful number, since it uses less digits than its factorization.

40404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468070.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40404201 is about 6356.4298942095. The cubic root of 40404201 is about 343.1432874351.

Adding to 40404201 its reverse (10240404), we get a palindrome (50644605).

The spelling of 40404201 in words is "forty million, four hundred four thousand, two hundred one".