40564134205 has 8 divisors (see below), whose sum is σ = 55630812672. Its totient is φ = 27815406288.

The previous prime is 40564134199. The next prime is 40564134209. The reversal of 40564134205 is 50243146504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40564134205 - 2⁷ = 40564134077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40564134209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579487597 + ... + 579487666.

It is an arithmetic number, because the mean of its divisors is an integer number (6953851584).

Almost surely, 2^40564134205 is an apocalyptic number.

It is an amenable number.

40564134205 is a deficient number, since it is larger than the sum of its proper divisors (15066678467).

40564134205 is a wasteful number, since it uses less digits than its factorization.

40564134205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158975275.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 40564134205 in words is "forty billion, five hundred sixty-four million, one hundred thirty-four thousand, two hundred five".