40805696 has 28 divisors (see below), whose sum is σ = 81297780. Its totient is φ = 20321280.

The previous prime is 40805693. The next prime is 40805731. The reversal of 40805696 is 69650804.

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 28302400 = 3536^2 + 5320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40805693) 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 3 ways as a sum of consecutive naturals, for example, 16850 + ... + 19118.

Almost surely, 2^40805696 is an apocalyptic number.

It is an amenable number.

40805696 is a deficient number, since it is larger than the sum of its proper divisors (40492084).

40805696 is a wasteful number, since it uses less digits than its factorization.

40805696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 40805696 is about 6387.9336252031. The cubic root of 40805696 is about 344.2761438709.

The spelling of 40805696 in words is "forty million, eight hundred five thousand, six hundred ninety-six".