40295663 has 2 divisors, whose sum is σ = 40295664. Its totient is φ = 40295662.

The previous prime is 40295657. The next prime is 40295677. The reversal of 40295663 is 36659204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40295663 - 2¹² = 40291567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40295623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20147831 + 20147832.

It is an arithmetic number, because the mean of its divisors is an integer number (20147832).

Almost surely, 2^40295663 is an apocalyptic number.

40295663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40295663 is an equidigital number, since it uses as much as digits as its factorization.

40295663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 40295663 is about 6347.8864986702. The cubic root of 40295663 is about 342.8357494009.

The spelling of 40295663 in words is "forty million, two hundred ninety-five thousand, six hundred sixty-three".