380311272 has 96 divisors (see below), whose sum is σ = 1126906560. Its totient is φ = 114912000.

The previous prime is 380311231. The next prime is 380311273. The reversal of 380311272 is 272113083.

380311272 is a `hidden beast` number, since 3 + 80 + 311 + 272 = 666.

It is a super-2 number, since 2×380311272² = 289273327220515968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380311273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499372 + ... + 500132.

It is an arithmetic number, because the mean of its divisors is an integer number (11738610).

Almost surely, 2^380311272 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 380311272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563453280).

380311272 is an abundant number, since it is smaller than the sum of its proper divisors (746595288).

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

380311272 is a wasteful number, since it uses less digits than its factorization.

380311272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 380311272 is about 19501.5710136389. The cubic root of 380311272 is about 724.5133615780.

The spelling of 380311272 in words is "three hundred eighty million, three hundred eleven thousand, two hundred seventy-two".