40404037311 has 24 divisors (see below), whose sum is σ = 64617231744. Its totient is φ = 24121809360.

The previous prime is 40404037307. The next prime is 40404037313. The reversal of 40404037311 is 11373040404.

It is not a de Polignac number, because 40404037311 - 2² = 40404037307 is a prime.

It is a super-3 number, since 3×40404037311³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404037313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3039051 + ... + 3052316.

It is an arithmetic number, because the mean of its divisors is an integer number (2692384656).

Almost surely, 2^40404037311 is an apocalyptic number.

40404037311 is a deficient number, since it is larger than the sum of its proper divisors (24213194433).

40404037311 is a wasteful number, since it uses less digits than its factorization.

40404037311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091451 (or 6091448 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 40404037311 its reverse (11373040404), we get a palindrome (51777077715).

The spelling of 40404037311 in words is "forty billion, four hundred four million, thirty-seven thousand, three hundred eleven".