40576897 has 2 divisors, whose sum is σ = 40576898. Its totient is φ = 40576896.

The previous prime is 40576873. The next prime is 40576919. The reversal of 40576897 is 79867504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33628401 + 6948496 = 5799^2 + 2636^2 .

It is a cyclic number.

It is not a de Polignac number, because 40576897 - 2⁷ = 40576769 is a prime.

It is not a weakly prime, because it can be changed into another prime (40576817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20288448 + 20288449.

It is an arithmetic number, because the mean of its divisors is an integer number (20288449).

Almost surely, 2^40576897 is an apocalyptic number.

It is an amenable number.

40576897 is a deficient number, since it is larger than the sum of its proper divisors (1).

40576897 is an equidigital number, since it uses as much as digits as its factorization.

40576897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 40576897 is about 6369.9997645212. Note that the first 3 decimals coincide. The cubic root of 40576897 is about 343.6314812573.

The spelling of 40576897 in words is "forty million, five hundred seventy-six thousand, eight hundred ninety-seven".