1983443801472 has 480 divisors, whose sum is σ = 7087955307840. Its totient is φ = 548413286400.

The previous prime is 1983443801411. The next prime is 1983443801491. The reversal of 1983443801472 is 2741083443891.

1983443801472 is a `hidden beast` number, since 1 + 9 + 83 + 44 + 380 + 147 + 2 = 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 59 ways as a sum of consecutive naturals, for example, 15686022 + ... + 15811962.

It is an arithmetic number, because the mean of its divisors is an integer number (14766573558).

Almost surely, 2^{1983443801472} is an apocalyptic number.

1983443801472 is a gapful number since it is divisible by the number (12) 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 1983443801472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3543977653920).

1983443801472 is an abundant number, since it is smaller than the sum of its proper divisors (5104511506368).

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

1983443801472 is a wasteful number, since it uses less digits than its factorization.

1983443801472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126012 (or 125984 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1983443801472 in words is "one trillion, nine hundred eighty-three billion, four hundred forty-three million, eight hundred one thousand, four hundred seventy-two".