40131110505 has 64 divisors (see below), whose sum is σ = 66279223296. Its totient is φ = 20724288000.

The previous prime is 40131110497. The next prime is 40131110521. The reversal of 40131110505 is 50501113104.

It is a happy number.

It is not a de Polignac number, because 40131110505 - 2³ = 40131110497 is a prime.

It is a super-2 number, since 2×40131110505² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52734325 + ... + 52735085.

It is an arithmetic number, because the mean of its divisors is an integer number (1035612864).

Almost surely, 2^40131110505 is an apocalyptic number.

It is an amenable number.

40131110505 is a deficient number, since it is larger than the sum of its proper divisors (26148112791).

40131110505 is a wasteful number, since it uses less digits than its factorization.

40131110505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 40131110505 its reverse (50501113104), we get a palindrome (90632223609).

The spelling of 40131110505 in words is "forty billion, one hundred thirty-one million, one hundred ten thousand, five hundred five".