1240255231552 has 28 divisors (see below), whose sum is σ = 2465441760496. Its totient is φ = 619041559680.

The previous prime is 1240255231543. The next prime is 1240255231613. The reversal of 1240255231552 is 2551325520421.

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 3 ways as a sum of consecutive naturals, for example, 16932798 + ... + 17005885.

Almost surely, 2^{1240255231552} is an apocalyptic number.

It is an amenable number.

1240255231552 is a deficient number, since it is larger than the sum of its proper divisors (1225186528944).

1240255231552 is an equidigital number, since it uses as much as digits as its factorization.

1240255231552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33939266 (or 33939256 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1240255231552 in words is "one trillion, two hundred forty billion, two hundred fifty-five million, two hundred thirty-one thousand, five hundred fifty-two".