404400272 has 20 divisors (see below), whose sum is σ = 783866496. Its totient is φ = 202112160.

The previous prime is 404400257. The next prime is 404400277. The reversal of 404400272 is 272004404.

It is not an unprimeable number, because it can be changed into a prime (404400277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48473 + ... + 56199.

Almost surely, 2^404400272 is an apocalyptic number.

It is an amenable number.

404400272 is a deficient number, since it is larger than the sum of its proper divisors (379466224).

404400272 is a wasteful number, since it uses less digits than its factorization.

404400272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006 (or 11000 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 404400272 is about 20109.7059153037. The cubic root of 404400272 is about 739.4982427675.

Adding to 404400272 its reverse (272004404), we get a palindrome (676404676).

The spelling of 404400272 in words is "four hundred four million, four hundred thousand, two hundred seventy-two".