40944717 has 32 divisors (see below), whose sum is σ = 66960000. Its totient is φ = 24520320.

The previous prime is 40944713. The next prime is 40944719. The reversal of 40944717 is 71744904.

It is not a de Polignac number, because 40944717 - 2² = 40944713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40944713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25659 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (2092500).

Almost surely, 2^40944717 is an apocalyptic number.

It is an amenable number.

40944717 is a deficient number, since it is larger than the sum of its proper divisors (26015283).

40944717 is a wasteful number, since it uses less digits than its factorization.

40944717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 40944717 is about 6398.8059042293. The cubic root of 40944717 is about 344.6666723825. Note that the first 4 decimals are identical.

The spelling of 40944717 in words is "forty million, nine hundred forty-four thousand, seven hundred seventeen".