40021311411 has 16 divisors (see below), whose sum is σ = 59296057120. Its totient is φ = 26678522880.

The previous prime is 40021311403. The next prime is 40021311431. The reversal of 40021311411 is 11411312004.

40021311411 is a `hidden beast` number, since 40 + 0 + 213 + 1 + 1 + 411 = 666.

It is not a de Polignac number, because 40021311411 - 2³ = 40021311403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40021311431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279891 + ... + 397971.

It is an arithmetic number, because the mean of its divisors is an integer number (3706003570).

Almost surely, 2^40021311411 is an apocalyptic number.

40021311411 is a deficient number, since it is larger than the sum of its proper divisors (19274745709).

40021311411 is a wasteful number, since it uses less digits than its factorization.

40021311411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130643 (or 130637 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 40021311411 its reverse (11411312004), we get a palindrome (51432623415).

The spelling of 40021311411 in words is "forty billion, twenty-one million, three hundred eleven thousand, four hundred eleven".