1128455794944 has 189 divisors, whose sum is σ = 3378584378743. Its totient is φ = 375998962176.

The previous prime is 1128455794909. The next prime is 1128455795029. The reversal of 1128455794944 is 4494975548211.

The square root of 1128455794944 is 1062288.

It is a perfect power (a square), and thus also a powerful number.

1128455794944 is a `hidden beast` number, since 1 + 1 + 2 + 8 + 455 + 7 + 94 + 94 + 4 = 666.

It is a super-2 number, since 2×1128455794944² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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 20 ways as a sum of consecutive naturals, for example, 458907187 + ... + 458909645.

Almost surely, 2^{1128455794944} is an apocalyptic number.

1128455794944 is the 1062288-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128455794944

1128455794944 is an abundant number, since it is smaller than the sum of its proper divisors (2250128583799).

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

1128455794944 is an frugal number, since it uses more digits than its factorization.

1128455794944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952 (or 2464 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 1128455794944 in words is "one trillion, one hundred twenty-eight billion, four hundred fifty-five million, seven hundred ninety-four thousand, nine hundred forty-four".