40013230 has 16 divisors (see below), whose sum is σ = 72327024. Its totient is φ = 15937920.

The previous prime is 40013227. The next prime is 40013249. The reversal of 40013230 is 3231004.

40013230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40013230.

It is a congruent number.

It is an unprimeable number.

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, 5892 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (4520439).

Almost surely, 2^40013230 is an apocalyptic number.

40013230 is a deficient number, since it is larger than the sum of its proper divisors (32313794).

40013230 is a wasteful number, since it uses less digits than its factorization.

40013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40013230 is about 6325.6011572024. The cubic root of 40013230 is about 342.0328901488.

Adding to 40013230 its reverse (3231004), we get a palindrome (43244234).

The spelling of 40013230 in words is "forty million, thirteen thousand, two hundred thirty".