40400230 has 16 divisors (see below), whose sum is σ = 78314544. Its totient is φ = 14916960.

The previous prime is 40400221. The next prime is 40400233. The reversal of 40400230 is 3200404.

40400230 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 (13).

It is a self number, because there is not a number n which added to its sum of digits gives 40400230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400233) 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 7 ways as a sum of consecutive naturals, for example, 155256 + ... + 155515.

It is an arithmetic number, because the mean of its divisors is an integer number (4894659).

Almost surely, 2^40400230 is an apocalyptic number.

40400230 is a deficient number, since it is larger than the sum of its proper divisors (37914314).

40400230 is a wasteful number, since it uses less digits than its factorization.

40400230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310791.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 40400230 is about 6356.1175256598. The cubic root of 40400230 is about 343.1320454800.

Adding to 40400230 its reverse (3200404), we get a palindrome (43600634).

The spelling of 40400230 in words is "forty million, four hundred thousand, two hundred thirty".