40044347 has 4 divisors (see below), whose sum is σ = 45764976. Its totient is φ = 34323720.

The previous prime is 40044341. The next prime is 40044349. The reversal of 40044347 is 74344004.

40044347 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.

It is a cyclic number.

It is not a de Polignac number, because 40044347 - 2⁶ = 40044283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40044341) 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, 2860304 + ... + 2860317.

It is an arithmetic number, because the mean of its divisors is an integer number (11441244).

Almost surely, 2^40044347 is an apocalyptic number.

40044347 is a deficient number, since it is larger than the sum of its proper divisors (5720629).

40044347 is an equidigital number, since it uses as much as digits as its factorization.

40044347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720628.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 40044347 is about 6328.0602873234. The cubic root of 40044347 is about 342.1215298288.

The spelling of 40044347 in words is "forty million, forty-four thousand, three hundred forty-seven".