381182880 has 288 divisors, whose sum is σ = 1345849344. Its totient is φ = 90574848.

The previous prime is 381182861. The next prime is 381182903. The reversal of 381182880 is 88281183.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3001377 + ... + 3001503.

It is an arithmetic number, because the mean of its divisors is an integer number (4673088).

Almost surely, 2^381182880 is an apocalyptic number.

381182880 is a gapful number since it is divisible by the number (30) 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 381182880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672924672).

381182880 is an abundant number, since it is smaller than the sum of its proper divisors (964666464).

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

381182880 is a wasteful number, since it uses less digits than its factorization.

381182880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 381182880 is about 19523.9053470355. The cubic root of 381182880 is about 725.0664259391.

The spelling of 381182880 in words is "three hundred eighty-one million, one hundred eighty-two thousand, eight hundred eighty".