40100052571 has 4 divisors (see below), whose sum is σ = 40757430544. Its totient is φ = 39442674600.

The previous prime is 40100052547. The next prime is 40100052599. The reversal of 40100052571 is 17525000104.

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 40100052571 - 2³¹ = 37952568923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40100052271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328688895 + ... + 328689016.

It is an arithmetic number, because the mean of its divisors is an integer number (10189357636).

Almost surely, 2^40100052571 is an apocalyptic number.

40100052571 is a deficient number, since it is larger than the sum of its proper divisors (657377973).

40100052571 is an equidigital number, since it uses as much as digits as its factorization.

40100052571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657377972.

The product of its (nonzero) digits is 1400, while the sum is 25.

Adding to 40100052571 its reverse (17525000104), we get a palindrome (57625052675).

The spelling of 40100052571 in words is "forty billion, one hundred million, fifty-two thousand, five hundred seventy-one".