40608577 has 2 divisors, whose sum is σ = 40608578. Its totient is φ = 40608576.

The previous prime is 40608571. The next prime is 40608587. The reversal of 40608577 is 77580604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33686416 + 6922161 = 5804^2 + 2631^2 .

It is a cyclic number.

It is not a de Polignac number, because 40608577 - 2²³ = 32219969 is a prime.

It is not a weakly prime, because it can be changed into another prime (40608571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20304288 + 20304289.

It is an arithmetic number, because the mean of its divisors is an integer number (20304289).

Almost surely, 2^40608577 is an apocalyptic number.

It is an amenable number.

40608577 is a deficient number, since it is larger than the sum of its proper divisors (1).

40608577 is an equidigital number, since it uses as much as digits as its factorization.

40608577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 40608577 is about 6372.4859356455. The cubic root of 40608577 is about 343.7208869228.

The spelling of 40608577 in words is "forty million, six hundred eight thousand, five hundred seventy-seven".