183728132280 has 768 divisors, whose sum is σ = 779950425600. Its totient is φ = 38041436160.

The previous prime is 183728132279. The next prime is 183728132303. The reversal of 183728132280 is 82231827381.

183728132280 is a `hidden beast` number, since 18 + 37 + 281 + 322 + 8 + 0 = 666.

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

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 318419352 + ... + 318419928.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560450).

Almost surely, 2^183728132280 is an apocalyptic number.

183728132280 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 183728132280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389975212800).

183728132280 is an abundant number, since it is smaller than the sum of its proper divisors (596222293320).

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

183728132280 is a wasteful number, since it uses less digits than its factorization.

183728132280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 183728132280 in words is "one hundred eighty-three billion, seven hundred twenty-eight million, one hundred thirty-two thousand, two hundred eighty".