380278052 has 48 divisors (see below), whose sum is σ = 833172480. Its totient is φ = 147540000.

The previous prime is 380278039. The next prime is 380278061. The reversal of 380278052 is 250872083.

It is a happy number.

It is a super-2 number, since 2×380278052² = 289222793665829408, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 74849 + ... + 79767.

It is an arithmetic number, because the mean of its divisors is an integer number (17357760).

Almost surely, 2^380278052 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 380278052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416586240).

380278052 is an abundant number, since it is smaller than the sum of its proper divisors (452894428).

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

380278052 is a wasteful number, since it uses less digits than its factorization.

380278052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192 (or 5190 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 380278052 is about 19500.7192687860. The cubic root of 380278052 is about 724.4922656701.

The spelling of 380278052 in words is "three hundred eighty million, two hundred seventy-eight thousand, fifty-two".