1977841041984 has 336 divisors, whose sum is σ = 5852710468800. Its totient is φ = 638357372928.

The previous prime is 1977841041971. The next prime is 1977841041991. The reversal of 1977841041984 is 4891401487791.

1977841041984 is a `hidden beast` number, since 1 + 97 + 7 + 8 + 410 + 41 + 98 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 614807544 + ... + 614810760.

Almost surely, 2^{1977841041984} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1977841041984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2926355234400).

1977841041984 is an abundant number, since it is smaller than the sum of its proper divisors (3874869426816).

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

1977841041984 is a wasteful number, since it uses less digits than its factorization.

1977841041984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 1977841041984 in words is "one trillion, nine hundred seventy-seven billion, eight hundred forty-one million, forty-one thousand, nine hundred eighty-four".