40470809087 has 4 divisors (see below), whose sum is σ = 41564614776. Its totient is φ = 39377003400.

The previous prime is 40470809081. The next prime is 40470809129. The reversal of 40470809087 is 78090807404.

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-40470809087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40470809081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546902789 + ... + 546902862.

It is an arithmetic number, because the mean of its divisors is an integer number (10391153694).

Almost surely, 2^40470809087 is an apocalyptic number.

40470809087 is a deficient number, since it is larger than the sum of its proper divisors (1093805689).

40470809087 is a wasteful number, since it uses less digits than its factorization.

40470809087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093805688.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 40470809087 in words is "forty billion, four hundred seventy million, eight hundred nine thousand, eighty-seven".