40504043311 has 24 divisors (see below), whose sum is σ = 43670430720. Its totient is φ = 37553423232.

The previous prime is 40504043299. The next prime is 40504043339. The reversal of 40504043311 is 11334040504.

It is not a de Polignac number, because 40504043311 - 2²⁷ = 40369825583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504043381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11482230 + ... + 11485756.

It is an arithmetic number, because the mean of its divisors is an integer number (1819601280).

Almost surely, 2^40504043311 is an apocalyptic number.

40504043311 is a deficient number, since it is larger than the sum of its proper divisors (3166387409).

40504043311 is a wasteful number, since it uses less digits than its factorization.

40504043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40504043311 its reverse (11334040504), we get a palindrome (51838083815).

The spelling of 40504043311 in words is "forty billion, five hundred four million, forty-three thousand, three hundred eleven".