40233929 has 4 divisors (see below), whose sum is σ = 40915920. Its totient is φ = 39551940.

The previous prime is 40233889. The next prime is 40233931. The reversal of 40233929 is 92933204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40233929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40233895 and 40233904.

It is not an unprimeable number, because it can be changed into a prime (40233979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340907 + ... + 341024.

It is an arithmetic number, because the mean of its divisors is an integer number (10228980).

Almost surely, 2^40233929 is an apocalyptic number.

It is an amenable number.

40233929 is a deficient number, since it is larger than the sum of its proper divisors (681991).

40233929 is an equidigital number, since it uses as much as digits as its factorization.

40233929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681990.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 40233929 is about 6343.0220715366. The cubic root of 40233929 is about 342.6605821659.

The spelling of 40233929 in words is "forty million, two hundred thirty-three thousand, nine hundred twenty-nine".