40040340411321 has 12 divisors (see below), whose sum is σ = 58066469763120. Its totient is φ = 26587211427000.

The previous prime is 40040340411271. The next prime is 40040340411343. The reversal of 40040340411321 is 12311404304004.

It is not a de Polignac number, because 40040340411321 - 2⁶ = 40040340411257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40040340411361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8862401551 + ... + 8862406068.

It is an arithmetic number, because the mean of its divisors is an integer number (4838872480260).

Almost surely, 2^{40040340411321} is an apocalyptic number.

It is an amenable number.

40040340411321 is a deficient number, since it is larger than the sum of its proper divisors (18026129351799).

40040340411321 is a wasteful number, since it uses less digits than its factorization.

40040340411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17724807876 (or 17724807873 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 40040340411321 its reverse (12311404304004), we get a palindrome (52351744715325).

The spelling of 40040340411321 in words is "forty trillion, forty billion, three hundred forty million, four hundred eleven thousand, three hundred twenty-one".