40447038205 has 16 divisors (see below), whose sum is σ = 55979130240. Its totient is φ = 27480658752.

The previous prime is 40447038199. The next prime is 40447038223. The reversal of 40447038205 is 50283074404.

It is a cyclic number.

It is not a de Polignac number, because 40447038205 - 2⁷ = 40447038077 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, 5297239 + ... + 5304868.

It is an arithmetic number, because the mean of its divisors is an integer number (3498695640).

Almost surely, 2^40447038205 is an apocalyptic number.

It is an amenable number.

40447038205 is a deficient number, since it is larger than the sum of its proper divisors (15532092035).

40447038205 is a wasteful number, since it uses less digits than its factorization.

40447038205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602228.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 40447038205 in words is "forty billion, four hundred forty-seven million, thirty-eight thousand, two hundred five".