40526663 has 4 divisors (see below), whose sum is σ = 40671168. Its totient is φ = 40382160.

The previous prime is 40526617. The next prime is 40526671. The reversal of 40526663 is 36662504.

40526663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40526663 - 2⁶ = 40526599 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 (40526693) 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 3 ways as a sum of consecutive naturals, for example, 71831 + ... + 72392.

It is an arithmetic number, because the mean of its divisors is an integer number (10167792).

Almost surely, 2^40526663 is an apocalyptic number.

40526663 is a deficient number, since it is larger than the sum of its proper divisors (144505).

40526663 is a wasteful number, since it uses less digits than its factorization.

40526663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144504.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 40526663 is about 6366.0555291326. The cubic root of 40526663 is about 343.4896180015.

The spelling of 40526663 in words is "forty million, five hundred twenty-six thousand, six hundred sixty-three".