400424230 has 8 divisors (see below), whose sum is σ = 720763632. Its totient is φ = 160169688.

The previous prime is 400424207. The next prime is 400424231. The reversal of 400424230 is 32424004.

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

It is a junction number, because it is equal to n+sod(n) for n = 400424198 and 400424207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400424231) 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, 20021202 + ... + 20021221.

It is an arithmetic number, because the mean of its divisors is an integer number (90095454).

Almost surely, 2^400424230 is an apocalyptic number.

400424230 is a deficient number, since it is larger than the sum of its proper divisors (320339402).

400424230 is a wasteful number, since it uses less digits than its factorization.

400424230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40042430.

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

The square root of 400424230 is about 20010.6029394419. The cubic root of 400424230 is about 737.0666871434.

Adding to 400424230 its reverse (32424004), we get a palindrome (432848234).

The spelling of 400424230 in words is "four hundred million, four hundred twenty-four thousand, two hundred thirty".