383284534380 has 288 divisors, whose sum is σ = 1194606766080. Its totient is φ = 91743168000.

The previous prime is 383284534319. The next prime is 383284534417. The reversal of 383284534380 is 83435482383.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 527213577 + ... + 527214303.

It is an arithmetic number, because the mean of its divisors is an integer number (4147940160).

Almost surely, 2^383284534380 is an apocalyptic number.

383284534380 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 383284534380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597303383040).

383284534380 is an abundant number, since it is smaller than the sum of its proper divisors (811322231700).

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

383284534380 is a wasteful number, since it uses less digits than its factorization.

383284534380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 383284534380 in words is "three hundred eighty-three billion, two hundred eighty-four million, five hundred thirty-four thousand, three hundred eighty".