1983245921280 has 1408 divisors, whose sum is σ = 7937449820160. Its totient is φ = 466291261440.

The previous prime is 1983245921231. The next prime is 1983245921287. The reversal of 1983245921280 is 821295423891.

1983245921280 is a `hidden beast` number, since 1 + 9 + 8 + 3 + 24 + 592 + 1 + 28 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1983245921287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5403939657 + ... + 5403940023.

Almost surely, 2^{1983245921280} is an apocalyptic number.

1983245921280 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 1983245921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968724910080).

1983245921280 is an abundant number, since it is smaller than the sum of its proper divisors (5954203898880).

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

1983245921280 is a wasteful number, since it uses less digits than its factorization.

1983245921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 1983245921280 in words is "one trillion, nine hundred eighty-three billion, two hundred forty-five million, nine hundred twenty-one thousand, two hundred eighty".