40243034 has 16 divisors (see below), whose sum is σ = 65167872. Its totient is φ = 18528048.

The previous prime is 40243033. The next prime is 40243051. The reversal of 40243034 is 43034204.

It is a happy number.

40243034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40242997 and 40243015.

It is not an unprimeable number, because it can be changed into a prime (40243033) 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, 10367 + ... + 13709.

It is an arithmetic number, because the mean of its divisors is an integer number (4072992).

Almost surely, 2^40243034 is an apocalyptic number.

40243034 is a deficient number, since it is larger than the sum of its proper divisors (24924838).

40243034 is a wasteful number, since it uses less digits than its factorization.

40243034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 40243034 is about 6343.7397487602. The cubic root of 40243034 is about 342.6864284219.

Adding to 40243034 its reverse (43034204), we get a palindrome (83277238).

The spelling of 40243034 in words is "forty million, two hundred forty-three thousand, thirty-four".