400503230 has 8 divisors (see below), whose sum is σ = 720905832. Its totient is φ = 160201288.

The previous prime is 400503227. The next prime is 400503251. The reversal of 400503230 is 32305004.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400503199 and 400503208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20025152 + ... + 20025171.

It is an arithmetic number, because the mean of its divisors is an integer number (90113229).

Almost surely, 2^400503230 is an apocalyptic number.

400503230 is a deficient number, since it is larger than the sum of its proper divisors (320402602).

400503230 is a wasteful number, since it uses less digits than its factorization.

400503230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40050330.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 400503230 is about 20012.5767956053. The cubic root of 400503230 is about 737.1151561046.

Adding to 400503230 its reverse (32305004), we get a palindrome (432808234).

The spelling of 400503230 in words is "four hundred million, five hundred three thousand, two hundred thirty".