1881462438880 has 96 divisors (see below), whose sum is σ = 4474245081600. Its totient is φ = 747637608960.

The previous prime is 1881462438839. The next prime is 1881462438901. The reversal of 1881462438880 is 888342641881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20554815 + ... + 20646145.

It is an arithmetic number, because the mean of its divisors is an integer number (46606719600).

Almost surely, 2^{1881462438880} is an apocalyptic number.

1881462438880 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 1881462438880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237122540800).

1881462438880 is an abundant number, since it is smaller than the sum of its proper divisors (2592782642720).

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

1881462438880 is a wasteful number, since it uses less digits than its factorization.

1881462438880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92192 (or 92184 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 61.

The spelling of 1881462438880 in words is "one trillion, eight hundred eighty-one billion, four hundred sixty-two million, four hundred thirty-eight thousand, eight hundred eighty".