40391852211 has 12 divisors (see below), whose sum is σ = 58489287480. Its totient is φ = 26860747200.

The previous prime is 40391852191. The next prime is 40391852227. The reversal of 40391852211 is 11225819304.

40391852211 is a `hidden beast` number, since 4 + 0 + 391 + 8 + 52 + 211 = 666.

It is not a de Polignac number, because 40391852211 - 2⁹ = 40391851699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40391852231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5592381 + ... + 5599598.

It is an arithmetic number, because the mean of its divisors is an integer number (4874107290).

Almost surely, 2^40391852211 is an apocalyptic number.

40391852211 is a deficient number, since it is larger than the sum of its proper divisors (18097435269).

40391852211 is a wasteful number, since it uses less digits than its factorization.

40391852211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192386 (or 11192383 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 40391852211 in words is "forty billion, three hundred ninety-one million, eight hundred fifty-two thousand, two hundred eleven".