380118312 has 128 divisors (see below), whose sum is σ = 1248480000. Its totient is φ = 104848128.

The previous prime is 380118293. The next prime is 380118329. The reversal of 380118312 is 213811083.

It is a super-2 number, since 2×380118312² = 288979862235458688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39514 + ... + 48182.

It is an arithmetic number, because the mean of its divisors is an integer number (9753750).

Almost surely, 2^380118312 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 380118312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624240000).

380118312 is an abundant number, since it is smaller than the sum of its proper divisors (868361688).

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

380118312 is a wasteful number, since it uses less digits than its factorization.

380118312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720 (or 8710 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 380118312 is about 19496.6230922178. The cubic root of 380118312 is about 724.3908078007.

Adding to 380118312 its reverse (213811083), we get a palindrome (593929395).

The spelling of 380118312 in words is "three hundred eighty million, one hundred eighteen thousand, three hundred twelve".