1990716841044 has 60 divisors (see below), whose sum is σ = 5204981066208. Its totient is φ = 663463386000.

The previous prime is 1990716841037. The next prime is 1990716841103. The reversal of 1990716841044 is 4401486170991.

It is a happy number.

1990716841044 is a `hidden beast` number, since 19 + 90 + 71 + 68 + 410 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1485369 + ... + 2487519.

Almost surely, 2^{1990716841044} is an apocalyptic number.

It is an amenable number.

1990716841044 is an abundant number, since it is smaller than the sum of its proper divisors (3214264225164).

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

1990716841044 is a wasteful number, since it uses less digits than its factorization.

1990716841044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008298 (or 1008287 counting only the distinct ones).

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

The spelling of 1990716841044 in words is "one trillion, nine hundred ninety billion, seven hundred sixteen million, eight hundred forty-one thousand, forty-four".