40683605 has 8 divisors (see below), whose sum is σ = 48869592. Its totient is φ = 32514048.

The previous prime is 40683593. The next prime is 40683611. The reversal of 40683605 is 50638604.

It can be written as a sum of positive squares in 4 ways, for example, as 23261329 + 17422276 = 4823^2 + 4174^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40683605 - 2⁴ = 40683589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 9293.

It is an arithmetic number, because the mean of its divisors is an integer number (6108699).

Almost surely, 2^40683605 is an apocalyptic number.

It is an amenable number.

40683605 is a deficient number, since it is larger than the sum of its proper divisors (8185987).

40683605 is a wasteful number, since it uses less digits than its factorization.

40683605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 40683605 is about 6378.3700896075. The cubic root of 40683605 is about 343.9324417764.

The spelling of 40683605 in words is "forty million, six hundred eighty-three thousand, six hundred five".