1982471760 has 200 divisors, whose sum is σ = 6919244640. Its totient is φ = 528239232.

The previous prime is 1982471737. The next prime is 1982471809. The reversal of 1982471760 is 671742891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1574011 + ... + 1575269.

Almost surely, 2^1982471760 is an apocalyptic number.

1982471760 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 1982471760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3459622320).

1982471760 is an abundant number, since it is smaller than the sum of its proper divisors (4936772880).

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

1982471760 is an frugal number, since it uses more digits than its factorization.

1982471760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1982471760 is about 44524.9565973960. The cubic root of 1982471760 is about 1256.2295447772.

The spelling of 1982471760 in words is "one billion, nine hundred eighty-two million, four hundred seventy-one thousand, seven hundred sixty".