40430433 has 4 divisors (see below), whose sum is σ = 53907248. Its totient is φ = 26953620.

The previous prime is 40430419. The next prime is 40430447. The reversal of 40430433 is 33403404.

40430433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (40430419) and next prime (40430447).

It is not a de Polignac number, because 40430433 - 2⁸ = 40430177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40430833) 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, 6738403 + ... + 6738408.

It is an arithmetic number, because the mean of its divisors is an integer number (13476812).

Almost surely, 2^40430433 is an apocalyptic number.

It is an amenable number.

40430433 is a deficient number, since it is larger than the sum of its proper divisors (13476815).

40430433 is a wasteful number, since it uses less digits than its factorization.

40430433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476814.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40430433 is about 6358.4929818315. The cubic root of 40430433 is about 343.2175320862.

Adding to 40430433 its reverse (33403404), we get a palindrome (73833837).

The spelling of 40430433 in words is "forty million, four hundred thirty thousand, four hundred thirty-three".