400230856 has 16 divisors (see below), whose sum is σ = 776310300. Its totient is φ = 193214784.

The previous prime is 400230793. The next prime is 400230893. The reversal of 400230856 is 658032004.

It can be written as a sum of positive squares in 2 ways, for example, as 371178756 + 29052100 = 19266^2 + 5390^2 .

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, 862335 + ... + 862798.

Almost surely, 2^400230856 is an apocalyptic number.

It is an amenable number.

400230856 is a deficient number, since it is larger than the sum of its proper divisors (376079444).

400230856 is a wasteful number, since it uses less digits than its factorization.

400230856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725168 (or 1725164 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 400230856 is about 20005.7705675138. The cubic root of 400230856 is about 736.9480192635.

The spelling of 400230856 in words is "four hundred million, two hundred thirty thousand, eight hundred fifty-six".