40657842611 has 4 divisors (see below), whose sum is σ = 40977983232. Its totient is φ = 40337701992.

The previous prime is 40657842593. The next prime is 40657842619. The reversal of 40657842611 is 11624875604.

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 40657842611 - 2¹⁴ = 40657826227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40657842619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160070120 + ... + 160070373.

It is an arithmetic number, because the mean of its divisors is an integer number (10244495808).

Almost surely, 2^40657842611 is an apocalyptic number.

40657842611 is a deficient number, since it is larger than the sum of its proper divisors (320140621).

40657842611 is a wasteful number, since it uses less digits than its factorization.

40657842611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320140620.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 40657842611 in words is "forty billion, six hundred fifty-seven million, eight hundred forty-two thousand, six hundred eleven".