40495863 has 4 divisors (see below), whose sum is σ = 53994488. Its totient is φ = 26997240.

The previous prime is 40495841. The next prime is 40495867. The reversal of 40495863 is 36859404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40495863 - 2⁵ = 40495831 is a prime.

It is a super-2 number, since 2×40495863² = 3279829840229538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40495867) 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 in 3 ways as a sum of consecutive naturals, for example, 6749308 + ... + 6749313.

It is an arithmetic number, because the mean of its divisors is an integer number (13498622).

Almost surely, 2^40495863 is an apocalyptic number.

40495863 is a deficient number, since it is larger than the sum of its proper divisors (13498625).

40495863 is a wasteful number, since it uses less digits than its factorization.

40495863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13498624.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40495863 is about 6363.6359889610. The cubic root of 40495863 is about 343.4025793238.

The spelling of 40495863 in words is "forty million, four hundred ninety-five thousand, eight hundred sixty-three".