40662287 has 2 divisors, whose sum is σ = 40662288. Its totient is φ = 40662286.

The previous prime is 40662253. The next prime is 40662301. The reversal of 40662287 is 78226604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40662287 - 2²⁰ = 39613711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40662217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20331143 + 20331144.

It is an arithmetic number, because the mean of its divisors is an integer number (20331144).

Almost surely, 2^40662287 is an apocalyptic number.

40662287 is a deficient number, since it is larger than the sum of its proper divisors (1).

40662287 is an equidigital number, since it uses as much as digits as its factorization.

40662287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 40662287 is about 6376.6987540576. The cubic root of 40662287 is about 343.8723583365.

The spelling of 40662287 in words is "forty million, six hundred sixty-two thousand, two hundred eighty-seven".