40746443 has 4 divisors (see below), whose sum is σ = 41237448. Its totient is φ = 40255440.

The previous prime is 40746439. The next prime is 40746451. The reversal of 40746443 is 34464704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40746443 - 2² = 40746439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40746473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245378 + ... + 245543.

It is an arithmetic number, because the mean of its divisors is an integer number (10309362).

Almost surely, 2^40746443 is an apocalyptic number.

40746443 is a deficient number, since it is larger than the sum of its proper divisors (491005).

40746443 is an equidigital number, since it uses as much as digits as its factorization.

40746443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491004.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 40746443 is about 6383.2940555798. The cubic root of 40746443 is about 344.1094246940.

The spelling of 40746443 in words is "forty million, seven hundred forty-six thousand, four hundred forty-three".