40000230 has 128 divisors (see below), whose sum is σ = 113356800. Its totient is φ = 10147680.

The previous prime is 40000223. The next prime is 40000231. The reversal of 40000230 is 3200004.

40000230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677941 + ... + 677999.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^40000230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40000230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56678400).

40000230 is an abundant number, since it is smaller than the sum of its proper divisors (73356570).

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

40000230 is an equidigital number, since it uses as much as digits as its factorization.

40000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 40000230 is about 6324.5735034072. The cubic root of 40000230 is about 341.9958448249.

Adding to 40000230 its reverse (3200004), we get a palindrome (43200234).

The spelling of 40000230 in words is "forty million, two hundred thirty", and thus it is an aban number.