40576663 has 2 divisors, whose sum is σ = 40576664. Its totient is φ = 40576662.

The previous prime is 40576639. The next prime is 40576673. The reversal of 40576663 is 36667504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40576663 - 2¹³ = 40568471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40576673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20288331 + 20288332.

It is an arithmetic number, because the mean of its divisors is an integer number (20288332).

Almost surely, 2^40576663 is an apocalyptic number.

40576663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40576663 is an equidigital number, since it uses as much as digits as its factorization.

40576663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 40576663 is about 6369.9813971471. The cubic root of 40576663 is about 343.6308207014.

The spelling of 40576663 in words is "forty million, five hundred seventy-six thousand, six hundred sixty-three".