40647506171 has 8 divisors (see below), whose sum is σ = 42459600384. Its totient is φ = 38839146280.

The previous prime is 40647506161. The next prime is 40647506173. The reversal of 40647506171 is 17160574604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40647506171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40647506173) 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 7 ways as a sum of consecutive naturals, for example, 911315 + ... + 954876.

It is an arithmetic number, because the mean of its divisors is an integer number (5307450048).

Almost surely, 2^40647506171 is an apocalyptic number.

40647506171 is a deficient number, since it is larger than the sum of its proper divisors (1812094213).

40647506171 is a wasteful number, since it uses less digits than its factorization.

40647506171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867161.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 40647506171 in words is "forty billion, six hundred forty-seven million, five hundred six thousand, one hundred seventy-one".