40687363 has 4 divisors (see below), whose sum is σ = 40727128. Its totient is φ = 40647600.

The previous prime is 40687349. The next prime is 40687373. The reversal of 40687363 is 36378604.

It is a happy number.

40687363 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 a de Polignac number, because none of the positive numbers 2^k-40687363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40687333) 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, 18306 + ... + 20407.

It is an arithmetic number, because the mean of its divisors is an integer number (10181782).

Almost surely, 2^40687363 is an apocalyptic number.

40687363 is a deficient number, since it is larger than the sum of its proper divisors (39765).

40687363 is a wasteful number, since it uses less digits than its factorization.

40687363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39764.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 40687363 is about 6378.6646721708. The cubic root of 40687363 is about 343.9430312863.

The spelling of 40687363 in words is "forty million, six hundred eighty-seven thousand, three hundred sixty-three".