40212064205 has 16 divisors (see below), whose sum is σ = 48382354944. Its totient is φ = 32084470080.

The previous prime is 40212064181. The next prime is 40212064213. The reversal of 40212064205 is 50246021204.

It is not a de Polignac number, because 40212064205 - 2¹⁰ = 40212063181 is a prime.

It is a Duffinian number.

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, 9040292 + ... + 9044738.

It is an arithmetic number, because the mean of its divisors is an integer number (3023897184).

Almost surely, 2^40212064205 is an apocalyptic number.

It is an amenable number.

40212064205 is a deficient number, since it is larger than the sum of its proper divisors (8170290739).

40212064205 is a wasteful number, since it uses less digits than its factorization.

40212064205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40212064205 its reverse (50246021204), we get a palindrome (90458085409).

The spelling of 40212064205 in words is "forty billion, two hundred twelve million, sixty-four thousand, two hundred five".