40527665 has 12 divisors (see below), whose sum is σ = 51329844. Its totient is φ = 30714336.

The previous prime is 40527637. The next prime is 40527671. The reversal of 40527665 is 56672504.

40527665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8898289 + 31629376 = 2983^2 + 5624^2 .

It is not a de Polignac number, because 40527665 - 2²² = 36333361 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 9422 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (4277487).

Almost surely, 2^40527665 is an apocalyptic number.

It is an amenable number.

40527665 is a deficient number, since it is larger than the sum of its proper divisors (10802179).

40527665 is a wasteful number, since it uses less digits than its factorization.

40527665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22496 (or 22477 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 40527665 is about 6366.1342273000. The cubic root of 40527665 is about 343.4924488437.

The spelling of 40527665 in words is "forty million, five hundred twenty-seven thousand, six hundred sixty-five".