1990570816080 has 960 divisors, whose sum is σ = 8813662556160. Its totient is φ = 403989949440.

The previous prime is 1990570816063. The next prime is 1990570816081. The reversal of 1990570816080 is 806180750991.

1990570816080 is a `hidden beast` number, since 1 + 9 + 9 + 0 + 570 + 8 + 1 + 60 + 8 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990570816081) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78656709 + ... + 78682011.

It is an arithmetic number, because the mean of its divisors is an integer number (9180898496).

Almost surely, 2^{1990570816080} is an apocalyptic number.

1990570816080 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 1990570816080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4406831278080).

1990570816080 is an abundant number, since it is smaller than the sum of its proper divisors (6823091740080).

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

1990570816080 is a wasteful number, since it uses less digits than its factorization.

1990570816080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25397 (or 25374 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 1990570816080 in words is "one trillion, nine hundred ninety billion, five hundred seventy million, eight hundred sixteen thousand, eighty".