1240530005252 has 48 divisors (see below), whose sum is σ = 2294291260800. Its totient is φ = 585282931200.

The previous prime is 1240530005213. The next prime is 1240530005321. The reversal of 1240530005252 is 2525000350421.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 19753502 + ... + 19816202.

It is an arithmetic number, because the mean of its divisors is an integer number (47797734600).

Almost surely, 2^{1240530005252} is an apocalyptic number.

It is an amenable number.

1240530005252 is a deficient number, since it is larger than the sum of its proper divisors (1053761255548).

1240530005252 is a wasteful number, since it uses less digits than its factorization.

1240530005252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63756 (or 63754 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 1240530005252 its reverse (2525000350421), we get a palindrome (3765530355673).

The spelling of 1240530005252 in words is "one trillion, two hundred forty billion, five hundred thirty million, five thousand, two hundred fifty-two".