1557050442268 has 12 divisors (see below), whose sum is σ = 2843309503440. Its totient is φ = 744676298432.

The previous prime is 1557050442257. The next prime is 1557050442359. The reversal of 1557050442268 is 8622440507551.

It is a congruent number.

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, 8462230573 + ... + 8462230756.

It is an arithmetic number, because the mean of its divisors is an integer number (236942458620).

Almost surely, 2^{1557050442268} is an apocalyptic number.

It is an amenable number.

1557050442268 is a deficient number, since it is larger than the sum of its proper divisors (1286259061172).

1557050442268 is a wasteful number, since it uses less digits than its factorization.

1557050442268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924461356 (or 16924461354 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 1557050442268 in words is "one trillion, five hundred fifty-seven billion, fifty million, four hundred forty-two thousand, two hundred sixty-eight".