40001613205 has 16 divisors (see below), whose sum is σ = 48531168000. Its totient is φ = 31648937472.

The previous prime is 40001613199. The next prime is 40001613221. The reversal of 40001613205 is 50231610004.

It is a cyclic number.

It is not a de Polignac number, because 40001613205 - 2¹¹ = 40001611157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673296 + ... + 730294.

It is an arithmetic number, because the mean of its divisors is an integer number (3033198000).

Almost surely, 2^40001613205 is an apocalyptic number.

It is an amenable number.

40001613205 is a deficient number, since it is larger than the sum of its proper divisors (8529554795).

40001613205 is a wasteful number, since it uses less digits than its factorization.

40001613205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58548.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 40001613205 in words is "forty billion, one million, six hundred thirteen thousand, two hundred five".