1240554221324 has 24 divisors (see below), whose sum is σ = 2368530158400. Its totient is φ = 563840812880.

The previous prime is 1240554221273. The next prime is 1240554221381. The reversal of 1240554221324 is 4231224550421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655454 + ... + 1706085.

It is an arithmetic number, because the mean of its divisors is an integer number (98688756600).

Almost surely, 2^{1240554221324} is an apocalyptic number.

It is an amenable number.

1240554221324 is a deficient number, since it is larger than the sum of its proper divisors (1127975937076).

1240554221324 is a wasteful number, since it uses less digits than its factorization.

1240554221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373493 (or 2373491 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1240554221324 its reverse (4231224550421), we get a palindrome (5471778771745).

The spelling of 1240554221324 in words is "one trillion, two hundred forty billion, five hundred fifty-four million, two hundred twenty-one thousand, three hundred twenty-four".