40131143204 has 12 divisors (see below), whose sum is σ = 72127595484. Its totient is φ = 19523258784.

The previous prime is 40131143197. The next prime is 40131143219. The reversal of 40131143204 is 40234113104.

It can be written as a sum of positive squares in 2 ways, for example, as 22162276900 + 17968866304 = 148870^2 + 134048^2 .

It is a super-2 number, since 2×40131143204² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40131143204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135578039 + ... + 135578334.

It is an arithmetic number, because the mean of its divisors is an integer number (6010632957).

Almost surely, 2^40131143204 is an apocalyptic number.

It is an amenable number.

40131143204 is a deficient number, since it is larger than the sum of its proper divisors (31996452280).

40131143204 is a wasteful number, since it uses less digits than its factorization.

40131143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271156414 (or 271156412 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40131143204 its reverse (40234113104), we get a palindrome (80365256308).

The spelling of 40131143204 in words is "forty billion, one hundred thirty-one million, one hundred forty-three thousand, two hundred four".