40323434 has 8 divisors (see below), whose sum is σ = 63668640. Its totient is φ = 19100556.

The previous prime is 40323431. The next prime is 40323457. The reversal of 40323434 is 43432304.

It is a happy number.

40323434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40323431) 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 3 ways as a sum of consecutive naturals, for example, 530534 + ... + 530609.

It is an arithmetic number, because the mean of its divisors is an integer number (7958580).

Almost surely, 2^40323434 is an apocalyptic number.

40323434 is a deficient number, since it is larger than the sum of its proper divisors (23345206).

40323434 is a wasteful number, since it uses less digits than its factorization.

40323434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061164.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 40323434 is about 6350.0735428812. The cubic root of 40323434 is about 342.9144899280.

Adding to 40323434 its reverse (43432304), we get a palindrome (83755738).

The spelling of 40323434 in words is "forty million, three hundred twenty-three thousand, four hundred thirty-four".