1084804378140 has 192 divisors, whose sum is σ = 3543316761600. Its totient is φ = 247878408960.

The previous prime is 1084804378121. The next prime is 1084804378157. The reversal of 1084804378140 is 418734084801.

1084804378140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1084804378140.

It is a congruent number.

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, 90978219 + ... + 90990141.

It is an arithmetic number, because the mean of its divisors is an integer number (18454774800).

Almost surely, 2^{1084804378140} is an apocalyptic number.

1084804378140 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 1084804378140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771658380800).

1084804378140 is an abundant number, since it is smaller than the sum of its proper divisors (2458512383460).

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

1084804378140 is a wasteful number, since it uses less digits than its factorization.

1084804378140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377 (or 16361 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 1084804378140 in words is "one trillion, eighty-four billion, eight hundred four million, three hundred seventy-eight thousand, one hundred forty".