1992323441280 has 512 divisors, whose sum is σ = 6707598336000. Its totient is φ = 502255337472.

The previous prime is 1992323441261. The next prime is 1992323441287. The reversal of 1992323441280 is 821443232991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1992323441287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 929687889 + ... + 929690031.

It is an arithmetic number, because the mean of its divisors is an integer number (13100778000).

Almost surely, 2^{1992323441280} is an apocalyptic number.

1992323441280 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 1992323441280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3353799168000).

1992323441280 is an abundant number, since it is smaller than the sum of its proper divisors (4715274894720).

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

1992323441280 is a wasteful number, since it uses less digits than its factorization.

1992323441280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 1992323441280 in words is "one trillion, nine hundred ninety-two billion, three hundred twenty-three million, four hundred forty-one thousand, two hundred eighty".