40131120245 has 16 divisors (see below), whose sum is σ = 50617958400. Its totient is φ = 30484865664.

The previous prime is 40131120221. The next prime is 40131120247. The reversal of 40131120245 is 54202113104.

It is a cyclic number.

It is not a de Polignac number, because 40131120245 - 2¹⁰ = 40131119221 is a prime.

It is a super-2 number, since 2×40131120245² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 40131120245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131120247) 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 15 ways as a sum of consecutive naturals, for example, 1257845 + ... + 1289354.

It is an arithmetic number, because the mean of its divisors is an integer number (3163622400).

Almost surely, 2^40131120245 is an apocalyptic number.

It is an amenable number.

40131120245 is a deficient number, since it is larger than the sum of its proper divisors (10486838155).

40131120245 is a wasteful number, since it uses less digits than its factorization.

40131120245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547364.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 40131120245 its reverse (54202113104), we get a palindrome (94333233349).

The spelling of 40131120245 in words is "forty billion, one hundred thirty-one million, one hundred twenty thousand, two hundred forty-five".