40055041331 has 4 divisors (see below), whose sum is σ = 40221245064. Its totient is φ = 39888837600.

The previous prime is 40055041321. The next prime is 40055041373. The reversal of 40055041331 is 13314055004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40055041331 is a prime.

It is a super-2 number, since 2×40055041331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40055041331.

It is not an unprimeable number, because it can be changed into a prime (40055041321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83101505 + ... + 83101986.

It is an arithmetic number, because the mean of its divisors is an integer number (10055311266).

Almost surely, 2^40055041331 is an apocalyptic number.

40055041331 is a deficient number, since it is larger than the sum of its proper divisors (166203733).

40055041331 is a wasteful number, since it uses less digits than its factorization.

40055041331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166203732.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40055041331 its reverse (13314055004), we get a palindrome (53369096335).

The spelling of 40055041331 in words is "forty billion, fifty-five million, forty-one thousand, three hundred thirty-one".