400230236 has 48 divisors (see below), whose sum is σ = 819840000. Its totient is φ = 170889264.

The previous prime is 400230227. The next prime is 400230317. The reversal of 400230236 is 632032004.

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, 667865 + ... + 668463.

It is an arithmetic number, because the mean of its divisors is an integer number (17080000).

Almost surely, 2^400230236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400230236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409920000).

400230236 is an abundant number, since it is smaller than the sum of its proper divisors (419609764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400230236 is a wasteful number, since it uses less digits than its factorization.

400230236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 400230236 is about 20005.7550719787. The cubic root of 400230236 is about 736.9476387265.

The spelling of 400230236 in words is "four hundred million, two hundred thirty thousand, two hundred thirty-six".