1881074943900 has 216 divisors, whose sum is σ = 6117875347584. Its totient is φ = 482922086400.

The previous prime is 1881074943889. The next prime is 1881074943901. The reversal of 1881074943900 is 93494701881.

1881074943900 is a `hidden beast` number, since 18 + 8 + 107 + 494 + 39 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881074943901) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5210032 + ... + 5559368.

Almost surely, 2^{1881074943900} is an apocalyptic number.

1881074943900 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 1881074943900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058937673792).

1881074943900 is an abundant number, since it is smaller than the sum of its proper divisors (4236800403684).

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

1881074943900 is a wasteful number, since it uses less digits than its factorization.

1881074943900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349581 (or 349571 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 1881074943900 in words is "one trillion, eight hundred eighty-one billion, seventy-four million, nine hundred forty-three thousand, nine hundred".