400412230 has 8 divisors (see below), whose sum is σ = 720742032. Its totient is φ = 160164888.

The previous prime is 400412171. The next prime is 400412231. The reversal of 400412230 is 32214004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400412231) 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, 20020602 + ... + 20020621.

It is an arithmetic number, because the mean of its divisors is an integer number (90092754).

Almost surely, 2^400412230 is an apocalyptic number.

400412230 is a deficient number, since it is larger than the sum of its proper divisors (320329802).

400412230 is a wasteful number, since it uses less digits than its factorization.

400412230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40041230.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400412230 is about 20010.3030961552. The cubic root of 400412230 is about 737.0593242119.

Adding to 400412230 its reverse (32214004), we get a palindrome (432626234).

The spelling of 400412230 in words is "four hundred million, four hundred twelve thousand, two hundred thirty".