1194392788680 has 256 divisors, whose sum is σ = 4475890298880. Its totient is φ = 248242351104.

The previous prime is 1194392788663. The next prime is 1194392788691. The reversal of 1194392788680 is 868872934911.

It is a super-2 number, since 2×1194392788680² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84604 + ... + 1547883.

It is an arithmetic number, because the mean of its divisors is an integer number (17483946480).

Almost surely, 2^{1194392788680} is an apocalyptic number.

1194392788680 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 1194392788680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237945149440).

1194392788680 is an abundant number, since it is smaller than the sum of its proper divisors (3281497510200).

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

1194392788680 is a wasteful number, since it uses less digits than its factorization.

1194392788680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632588 (or 1632584 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 66.

The spelling of 1194392788680 in words is "one trillion, one hundred ninety-four billion, three hundred ninety-two million, seven hundred eighty-eight thousand, six hundred eighty".