1128682304640 has 1280 divisors, whose sum is σ = 4688522403840. Its totient is φ = 256014950400.

The previous prime is 1128682304639. The next prime is 1128682304669. The reversal of 1128682304640 is 464032868211.

1128682304640 is a `hidden beast` number, since 1 + 1 + 2 + 86 + 82 + 30 + 464 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 616428525 + ... + 616430355.

It is an arithmetic number, because the mean of its divisors is an integer number (3662908128).

Almost surely, 2^{1128682304640} is an apocalyptic number.

1128682304640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128682304640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344261201920).

1128682304640 is an abundant number, since it is smaller than the sum of its proper divisors (3559840099200).

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

1128682304640 is a wasteful number, since it uses less digits than its factorization.

1128682304640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 1128682304640 in words is "one trillion, one hundred twenty-eight billion, six hundred eighty-two million, three hundred four thousand, six hundred forty".