40257627171 has 4 divisors (see below), whose sum is σ = 53676836232. Its totient is φ = 26838418112.

The previous prime is 40257627103. The next prime is 40257627209. The reversal of 40257627171 is 17172675204.

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 40257627171 - 2⁷ = 40257627043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40257627071) 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, 6709604526 + ... + 6709604531.

It is an arithmetic number, because the mean of its divisors is an integer number (13419209058).

Almost surely, 2^40257627171 is an apocalyptic number.

40257627171 is a deficient number, since it is larger than the sum of its proper divisors (13419209061).

40257627171 is a wasteful number, since it uses less digits than its factorization.

40257627171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13419209060.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 40257627171 in words is "forty billion, two hundred fifty-seven million, six hundred twenty-seven thousand, one hundred seventy-one".