40516805 has 16 divisors (see below), whose sum is σ = 56194560. Its totient is φ = 27468672.

The previous prime is 40516787. The next prime is 40516841. The reversal of 40516805 is 50861504.

It is a happy number.

40516805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40516805 - 2¹⁰ = 40515781 is a prime.

It is a super-2 number, since 2×40516805² = 3283222974816050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (3512160).

Almost surely, 2^40516805 is an apocalyptic number.

It is an amenable number.

40516805 is a deficient number, since it is larger than the sum of its proper divisors (15677755).

40516805 is a wasteful number, since it uses less digits than its factorization.

40516805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13108.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 40516805 is about 6365.2812192393. The cubic root of 40516805 is about 343.4617647728.

The spelling of 40516805 in words is "forty million, five hundred sixteen thousand, eight hundred five".