40975569 has 12 divisors (see below), whose sum is σ = 59531316. Its totient is φ = 27158112.

The previous prime is 40975537. The next prime is 40975573. The reversal of 40975569 is 96557904.

It is a happy number.

40975569 is a `hidden beast` number, since 4 + 0 + 97 + 556 + 9 = 666.

40975569 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 32490000 + 8485569 = 5700^2 + 2913^2 .

It is not a de Polignac number, because 40975569 - 2⁵ = 40975537 is a prime.

It is a super-2 number, since 2×40975569² = 3357994509747522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40975589) 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 11 ways as a sum of consecutive naturals, for example, 11602 + ... + 14715.

It is an arithmetic number, because the mean of its divisors is an integer number (4960943).

Almost surely, 2^40975569 is an apocalyptic number.

It is an amenable number.

40975569 is a deficient number, since it is larger than the sum of its proper divisors (18555747).

40975569 is a wasteful number, since it uses less digits than its factorization.

40975569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26496 (or 26493 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 40975569 is about 6401.2162125646. The cubic root of 40975569 is about 344.7532198644.

The spelling of 40975569 in words is "forty million, nine hundred seventy-five thousand, five hundred sixty-nine".