40799566 has 8 divisors (see below), whose sum is σ = 61376760. Its totient is φ = 20340648.

The previous prime is 40799527. The next prime is 40799569. The reversal of 40799566 is 66599704.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28701 + ... + 30088.

It is an arithmetic number, because the mean of its divisors is an integer number (7672095).

Almost surely, 2^40799566 is an apocalyptic number.

40799566 is a deficient number, since it is larger than the sum of its proper divisors (20577194).

40799566 is a wasteful number, since it uses less digits than its factorization.

40799566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59138.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 40799566 is about 6387.4537963104. The cubic root of 40799566 is about 344.2589034800.

The spelling of 40799566 in words is "forty million, seven hundred ninety-nine thousand, five hundred sixty-six".