40232031524 has 6 divisors (see below), whose sum is σ = 70406055174. Its totient is φ = 20116015760.

The previous prime is 40232031491. The next prime is 40232031527. The reversal of 40232031524 is 42513023204.

It can be written as a sum of positive squares in only one way, i.e., 39760360000 + 471671524 = 199400^2 + 21718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40232031493 and 40232031502.

It is not an unprimeable number, because it can be changed into a prime (40232031527) 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 as a sum of consecutive naturals, namely, 5029003937 + ... + 5029003944.

It is an arithmetic number, because the mean of its divisors is an integer number (11734342529).

Almost surely, 2^40232031524 is an apocalyptic number.

It is an amenable number.

40232031524 is a deficient number, since it is larger than the sum of its proper divisors (30174023650).

40232031524 is a wasteful number, since it uses less digits than its factorization.

40232031524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058007885 (or 10058007883 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40232031524 its reverse (42513023204), we get a palindrome (82745054728).

The spelling of 40232031524 in words is "forty billion, two hundred thirty-two million, thirty-one thousand, five hundred twenty-four".