40366863 has 16 divisors (see below), whose sum is σ = 62403840. Its totient is φ = 25740792.

The previous prime is 40366853. The next prime is 40366873. The reversal of 40366863 is 36866304.

It is an interprime number because it is at equal distance from previous prime (40366853) and next prime (40366873).

It is not a de Polignac number, because 40366863 - 2⁵ = 40366831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31881 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (3900240).

Almost surely, 2^40366863 is an apocalyptic number.

40366863 is a deficient number, since it is larger than the sum of its proper divisors (22036977).

40366863 is a wasteful number, since it uses less digits than its factorization.

40366863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65035 (or 65029 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 40366863 is about 6353.4921893397. The cubic root of 40366863 is about 343.0375539352.

The spelling of 40366863 in words is "forty million, three hundred sixty-six thousand, eight hundred sixty-three".