1557296112 has 40 divisors (see below), whose sum is σ = 4121142480. Its totient is φ = 506437120.

The previous prime is 1557296089. The next prime is 1557296137. The reversal of 1557296112 is 2116927551.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 393687 + ... + 397622.

It is an arithmetic number, because the mean of its divisors is an integer number (103028562).

Almost surely, 2^1557296112 is an apocalyptic number.

1557296112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1557296112 is an abundant number, since it is smaller than the sum of its proper divisors (2563846368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1557296112 is a wasteful number, since it uses less digits than its factorization.

1557296112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791361 (or 791355 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The square root of 1557296112 is about 39462.5912985957. The cubic root of 1557296112 is about 1159.1075458234.

The spelling of 1557296112 in words is "one billion, five hundred fifty-seven million, two hundred ninety-six thousand, one hundred twelve".