1831955874980 has 192 divisors, whose sum is σ = 4847032479744. Its totient is φ = 564978240000.

The previous prime is 1831955874979. The next prime is 1831955875019. The reversal of 1831955874980 is 894785591381.

It is a self number, because there is not a number n which added to its sum of digits gives 1831955874980.

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, 331452977 + ... + 331458503.

It is an arithmetic number, because the mean of its divisors is an integer number (25244960832).

Almost surely, 2^{1831955874980} is an apocalyptic number.

1831955874980 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 1831955874980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423516239872).

1831955874980 is an abundant number, since it is smaller than the sum of its proper divisors (3015076604764).

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

1831955874980 is a wasteful number, since it uses less digits than its factorization.

1831955874980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 7784 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 68.

The spelling of 1831955874980 in words is "one trillion, eight hundred thirty-one billion, nine hundred fifty-five million, eight hundred seventy-four thousand, nine hundred eighty".