1982455230 has 192 divisors, whose sum is σ = 5749539840. Its totient is φ = 435891456.

The previous prime is 1982455207. The next prime is 1982455259. The reversal of 1982455230 is 325542891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4993392 + ... + 4993788.

It is an arithmetic number, because the mean of its divisors is an integer number (29945520).

Almost surely, 2^1982455230 is an apocalyptic number.

1982455230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982455230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874769920).

1982455230 is an abundant number, since it is smaller than the sum of its proper divisors (3767084610).

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

1982455230 is a wasteful number, since it uses less digits than its factorization.

1982455230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1982455230 is about 44524.7709707754. The cubic root of 1982455230 is about 1256.2260532551.

The spelling of 1982455230 in words is "one billion, nine hundred eighty-two million, four hundred fifty-five thousand, two hundred thirty".