40433966 has 8 divisors (see below), whose sum is σ = 60845664. Its totient is φ = 20152080.

The previous prime is 40433963. The next prime is 40433969. The reversal of 40433966 is 66933404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40433963) and next prime (40433969).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433963) 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, 31670 + ... + 32921.

It is an arithmetic number, because the mean of its divisors is an integer number (7605708).

Almost surely, 2^40433966 is an apocalyptic number.

40433966 is a deficient number, since it is larger than the sum of its proper divisors (20411698).

40433966 is a wasteful number, since it uses less digits than its factorization.

40433966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64906.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 40433966 is about 6358.7707931644. The cubic root of 40433966 is about 343.2275291118.

The spelling of 40433966 in words is "forty million, four hundred thirty-three thousand, nine hundred sixty-six".