1804836981024 has 1152 divisors, whose sum is σ = 7019376537600. Its totient is φ = 445279887360.

The previous prime is 1804836980977. The next prime is 1804836981041. The reversal of 1804836981024 is 4201896384081.

It is a happy number.

1804836981024 is a `hidden beast` number, since 1 + 8 + 0 + 483 + 69 + 81 + 0 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1788737832 + ... + 1788738840.

It is an arithmetic number, because the mean of its divisors is an integer number (6093208800).

Almost surely, 2^{1804836981024} is an apocalyptic number.

1804836981024 is a gapful number since it is divisible by the number (14) 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 1804836981024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3509688268800).

1804836981024 is an abundant number, since it is smaller than the sum of its proper divisors (5214539556576).

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

1804836981024 is a wasteful number, since it uses less digits than its factorization.

1804836981024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 1804836981024 in words is "one trillion, eight hundred four billion, eight hundred thirty-six million, nine hundred eighty-one thousand, twenty-four".