40366525 has 6 divisors (see below), whose sum is σ = 50054522. Its totient is φ = 32293200.

The previous prime is 40366511. The next prime is 40366577. The reversal of 40366525 is 52566304.

It can be written as a sum of positive squares in 3 ways, for example, as 5827396 + 34539129 = 2414^2 + 5877^2 .

It is not a de Polignac number, because 40366525 - 2¹³ = 40358333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 807306 + ... + 807355.

Almost surely, 2^40366525 is an apocalyptic number.

It is an amenable number.

40366525 is a deficient number, since it is larger than the sum of its proper divisors (9687997).

40366525 is a wasteful number, since it uses less digits than its factorization.

40366525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614671 (or 1614666 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 40366525 is about 6353.4655897392. The cubic root of 40366525 is about 343.0365964913.

The spelling of 40366525 in words is "forty million, three hundred sixty-six thousand, five hundred twenty-five".