40813684071 has 4 divisors (see below), whose sum is σ = 54418245432. Its totient is φ = 27209122712.

The previous prime is 40813684033. The next prime is 40813684073. The reversal of 40813684071 is 17048631804.

40813684071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40813684071 - 2¹¹ = 40813682023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40813684073) 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, 6802280676 + ... + 6802280681.

It is an arithmetic number, because the mean of its divisors is an integer number (13604561358).

Almost surely, 2^40813684071 is an apocalyptic number.

40813684071 is a deficient number, since it is larger than the sum of its proper divisors (13604561361).

40813684071 is a wasteful number, since it uses less digits than its factorization.

40813684071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604561360.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 40813684071 in words is "forty billion, eight hundred thirteen million, six hundred eighty-four thousand, seventy-one".