1184398012980 has 432 divisors, whose sum is σ = 4504793726160. Its totient is φ = 249668407296.

The previous prime is 1184398012957. The next prime is 1184398013021. The reversal of 1184398012980 is 892108934811.

It is a happy number.

1184398012980 is a `hidden beast` number, since 1 + 1 + 8 + 439 + 8 + 0 + 129 + 80 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 296604408996 + 887793603984 = 544614^2 + 942228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 146416776 + ... + 146424864.

It is an arithmetic number, because the mean of its divisors is an integer number (10427763255).

Almost surely, 2^{1184398012980} is an apocalyptic number.

1184398012980 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 1184398012980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252396863080).

1184398012980 is an abundant number, since it is smaller than the sum of its proper divisors (3320395713180).

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

1184398012980 is a wasteful number, since it uses less digits than its factorization.

1184398012980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408 (or 9396 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The spelling of 1184398012980 in words is "one trillion, one hundred eighty-four billion, three hundred ninety-eight million, twelve thousand, nine hundred eighty".