40626817 has 16 divisors (see below), whose sum is σ = 50873472. Its totient is φ = 31518720.

The previous prime is 40626811. The next prime is 40626829. The reversal of 40626817 is 71862604.

40626817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40626817 - 2¹¹ = 40624769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40626811) by changing a digit.

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, 18763 + ... + 20815.

It is an arithmetic number, because the mean of its divisors is an integer number (3179592).

Almost surely, 2^40626817 is an apocalyptic number.

It is an amenable number.

40626817 is a deficient number, since it is larger than the sum of its proper divisors (10246655).

40626817 is a wasteful number, since it uses less digits than its factorization.

40626817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40626817 is about 6373.9169276042. The cubic root of 40626817 is about 343.7723418206.

The spelling of 40626817 in words is "forty million, six hundred twenty-six thousand, eight hundred seventeen".