1941381777880 has 64 divisors (see below), whose sum is σ = 4374245397600. Its totient is φ = 775462302720.

The previous prime is 1941381777869. The next prime is 1941381777883. The reversal of 1941381777880 is 887771831491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941381777883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230317506 + ... + 230325934.

Almost surely, 2^{1941381777880} is an apocalyptic number.

1941381777880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1941381777880 is an abundant number, since it is smaller than the sum of its proper divisors (2432863619720).

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

1941381777880 is a wasteful number, since it uses less digits than its factorization.

1941381777880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844 (or 15840 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 64.

The spelling of 1941381777880 in words is "one trillion, nine hundred forty-one billion, three hundred eighty-one million, seven hundred seventy-seven thousand, eight hundred eighty".