380864812284 has 144 divisors (see below), whose sum is σ = 1106728721280. Its totient is φ = 109221678720.

The previous prime is 380864812277. The next prime is 380864812291. The reversal of 380864812284 is 482218468083.

380864812284 is a `hidden beast` number, since 3 + 8 + 0 + 86 + 481 + 2 + 2 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (380864812277) and next prime (380864812291).

It is a super-2 number, since 2×380864812284² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380864812284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7098502 + ... + 7151954.

It is an arithmetic number, because the mean of its divisors is an integer number (7685616120).

Almost surely, 2^380864812284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380864812284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553364360640).

380864812284 is an abundant number, since it is smaller than the sum of its proper divisors (725863908996).

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

380864812284 is a wasteful number, since it uses less digits than its factorization.

380864812284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54440 (or 54435 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 380864812284 in words is "three hundred eighty billion, eight hundred sixty-four million, eight hundred twelve thousand, two hundred eighty-four".