40400323411 has 32 divisors (see below), whose sum is σ = 46853452800. Its totient is φ = 34123165056.

The previous prime is 40400323391. The next prime is 40400323417. The reversal of 40400323411 is 11432300404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40400323411 is a prime.

It is a super-2 number, since 2×40400323411² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40400323417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115760065 + ... + 115760413.

It is an arithmetic number, because the mean of its divisors is an integer number (1464170400).

Almost surely, 2^40400323411 is an apocalyptic number.

40400323411 is a deficient number, since it is larger than the sum of its proper divisors (6453129389).

40400323411 is a wasteful number, since it uses less digits than its factorization.

40400323411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40400323411 its reverse (11432300404), we get a palindrome (51832623815).

The spelling of 40400323411 in words is "forty billion, four hundred million, three hundred twenty-three thousand, four hundred eleven".