400214204 has 24 divisors (see below), whose sum is σ = 798619248. Its totient is φ = 173848320.

The previous prime is 400214203. The next prime is 400214207. The reversal of 400214204 is 402412004.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400214203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225482 + ... + 227249.

It is an arithmetic number, because the mean of its divisors is an integer number (33275802).

Almost surely, 2^400214204 is an apocalyptic number.

It is an amenable number.

400214204 is a deficient number, since it is larger than the sum of its proper divisors (398405044).

400214204 is a wasteful number, since it uses less digits than its factorization.

400214204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452765 (or 452763 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 400214204 is about 20005.3543832645. The cubic root of 400214204 is about 736.9377986384.

Adding to 400214204 its reverse (402412004), we get a palindrome (802626208).

The spelling of 400214204 in words is "four hundred million, two hundred fourteen thousand, two hundred four".