40642321631211 has 6 divisors (see below), whose sum is σ = 58705575689540. Its totient is φ = 27094881087468.

The previous prime is 40642321631189. The next prime is 40642321631213. The reversal of 40642321631211 is 11213612324604.

40642321631211 is a `hidden beast` number, since 4 + 0 + 6 + 4 + 2 + 3 + 2 + 1 + 631 + 2 + 11 = 666.

It is not a de Polignac number, because 40642321631211 - 2¹⁷ = 40642321500139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40642321631213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2257906757281 + ... + 2257906757298.

Almost surely, 2^{40642321631211} is an apocalyptic number.

40642321631211 is a deficient number, since it is larger than the sum of its proper divisors (18063254058329).

40642321631211 is a wasteful number, since it uses less digits than its factorization.

40642321631211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515813514585 (or 4515813514582 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 40642321631211 its reverse (11213612324604), we get a palindrome (51855933955815).

The spelling of 40642321631211 in words is "forty trillion, six hundred forty-two billion, three hundred twenty-one million, six hundred thirty-one thousand, two hundred eleven".