40635087 has 4 divisors (see below), whose sum is σ = 54180120. Its totient is φ = 27090056.

The previous prime is 40635073. The next prime is 40635097. The reversal of 40635087 is 78053604.

40635087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40635087 - 2⁷ = 40634959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6772512 + ... + 6772517.

It is an arithmetic number, because the mean of its divisors is an integer number (13545030).

Almost surely, 2^40635087 is an apocalyptic number.

40635087 is a deficient number, since it is larger than the sum of its proper divisors (13545033).

40635087 is a wasteful number, since it uses less digits than its factorization.

40635087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13545032.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40635087 is about 6374.5656322608. The cubic root of 40635087 is about 343.7956663518.

The spelling of 40635087 in words is "forty million, six hundred thirty-five thousand, eighty-seven".