40124531012 has 6 divisors (see below), whose sum is σ = 70217929278. Its totient is φ = 20062265504.

The previous prime is 40124531011. The next prime is 40124531071. The reversal of 40124531012 is 21013542104.

It can be written as a sum of positive squares in only one way, i.e., 40089650176 + 34880836 = 200224^2 + 5906^2 .

It is not an unprimeable number, because it can be changed into a prime (40124531011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015566373 + ... + 5015566380.

It is an arithmetic number, because the mean of its divisors is an integer number (11702988213).

Almost surely, 2^40124531012 is an apocalyptic number.

It is an amenable number.

40124531012 is a deficient number, since it is larger than the sum of its proper divisors (30093398266).

40124531012 is a wasteful number, since it uses less digits than its factorization.

40124531012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031132757 (or 10031132755 counting only the distinct ones).

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

The spelling of 40124531012 in words is "forty billion, one hundred twenty-four million, five hundred thirty-one thousand, twelve".