380530533800 has 96 divisors (see below), whose sum is σ = 901951200000. Its totient is φ = 149275925760.

The previous prime is 380530533797. The next prime is 380530533809. The reversal of 380530533800 is 8335035083.

It is a super-2 number, since 2×380530533800² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380530533809) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2273381 + ... + 2435019.

It is an arithmetic number, because the mean of its divisors is an integer number (9395325000).

Almost surely, 2^380530533800 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 380530533800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450975600000).

380530533800 is an abundant number, since it is smaller than the sum of its proper divisors (521420666200).

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

380530533800 is a wasteful number, since it uses less digits than its factorization.

380530533800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161883 (or 161874 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 380530533800 its reverse (8335035083), we get a palindrome (388865568883).

The spelling of 380530533800 in words is "three hundred eighty billion, five hundred thirty million, five hundred thirty-three thousand, eight hundred".