400230245 has 16 divisors (see below), whose sum is σ = 506338560. Its totient is φ = 303097344.

The previous prime is 400230227. The next prime is 400230317. The reversal of 400230245 is 542032004.

It is a cyclic number.

It is not a de Polignac number, because 400230245 - 2⁸ = 400229989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6785 + ... + 29094.

It is an arithmetic number, because the mean of its divisors is an integer number (31646160).

Almost surely, 2^400230245 is an apocalyptic number.

It is an amenable number.

400230245 is a deficient number, since it is larger than the sum of its proper divisors (106108315).

400230245 is a wasteful number, since it uses less digits than its factorization.

400230245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36004.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 400230245 is about 20005.7552969139. The cubic root of 400230245 is about 736.9476442504.

Adding to 400230245 its reverse (542032004), we get a palindrome (942262249).

The spelling of 400230245 in words is "four hundred million, two hundred thirty thousand, two hundred forty-five".