400324204 has 48 divisors (see below), whose sum is σ = 840591360. Its totient is φ = 163198080.

The previous prime is 400324187. The next prime is 400324213. The reversal of 400324204 is 402423004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47304 + ... + 55120.

It is an arithmetic number, because the mean of its divisors is an integer number (17512320).

Almost surely, 2^400324204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400324204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420295680).

400324204 is an abundant number, since it is smaller than the sum of its proper divisors (440267156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400324204 is a wasteful number, since it uses less digits than its factorization.

400324204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918 (or 7916 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 400324204 is about 20008.1034583491. The cubic root of 400324204 is about 737.0053089294.

Adding to 400324204 its reverse (402423004), we get a palindrome (802747208).

The spelling of 400324204 in words is "four hundred million, three hundred twenty-four thousand, two hundred four".