40853744661 has 24 divisors (see below), whose sum is σ = 57125844192. Its totient is φ = 25963740000.

The previous prime is 40853744647. The next prime is 40853744713. The reversal of 40853744661 is 16644735804.

It is not a de Polignac number, because 40853744661 - 2⁶ = 40853744597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40853744661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40853744611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87411 + ... + 298911.

It is an arithmetic number, because the mean of its divisors is an integer number (2380243508).

Almost surely, 2^40853744661 is an apocalyptic number.

It is an amenable number.

40853744661 is a deficient number, since it is larger than the sum of its proper divisors (16272099531).

40853744661 is a wasteful number, since it uses less digits than its factorization.

40853744661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211633 (or 211602 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 40853744661 in words is "forty billion, eight hundred fifty-three million, seven hundred forty-four thousand, six hundred sixty-one".