40662799 has 4 divisors (see below), whose sum is σ = 40690600. Its totient is φ = 40635000.

The previous prime is 40662773. The next prime is 40662823. The reversal of 40662799 is 99726604.

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 40662799 - 2⁹ = 40662287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40662599) 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, 11577 + ... + 14674.

It is an arithmetic number, because the mean of its divisors is an integer number (10172650).

Almost surely, 2^40662799 is an apocalyptic number.

40662799 is a deficient number, since it is larger than the sum of its proper divisors (27801).

40662799 is a wasteful number, since it uses less digits than its factorization.

40662799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 40662799 is about 6376.7389000962. The cubic root of 40662799 is about 343.8738016223.

The spelling of 40662799 in words is "forty million, six hundred sixty-two thousand, seven hundred ninety-nine".