40043230 has 16 divisors (see below), whose sum is σ = 75212064. Its totient is φ = 15320800.

The previous prime is 40043209. The next prime is 40043233. The reversal of 40043230 is 3234004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86821 + ... + 87280.

It is an arithmetic number, because the mean of its divisors is an integer number (4700754).

Almost surely, 2^40043230 is an apocalyptic number.

40043230 is a deficient number, since it is larger than the sum of its proper divisors (35168834).

40043230 is a wasteful number, since it uses less digits than its factorization.

40043230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174131.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 40043230 is about 6327.9720290153. The cubic root of 40043230 is about 342.1183487448.

Adding to 40043230 its reverse (3234004), we get a palindrome (43277234).

The spelling of 40043230 in words is "forty million, forty-three thousand, two hundred thirty".