400441204 has 24 divisors (see below), whose sum is σ = 711872000. Its totient is φ = 197065440.

The previous prime is 400441199. The next prime is 400441211. The reversal of 400441204 is 402144004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108469 + ... + 112099.

Almost surely, 2^400441204 is an apocalyptic number.

It is an amenable number.

400441204 is a deficient number, since it is larger than the sum of its proper divisors (311430796).

400441204 is a wasteful number, since it uses less digits than its factorization.

400441204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 400441204 is about 20011.0270600986. The cubic root of 400441204 is about 737.0771017589.

Adding to 400441204 its reverse (402144004), we get a palindrome (802585208).

The spelling of 400441204 in words is "four hundred million, four hundred forty-one thousand, two hundred four".