380268818 has 16 divisors (see below), whose sum is σ = 612974304. Its totient is φ = 176278080.

The previous prime is 380268803. The next prime is 380268841. The reversal of 380268818 is 818862083.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 81188 + ... + 85743.

It is an arithmetic number, because the mean of its divisors is an integer number (38310894).

Almost surely, 2^380268818 is an apocalyptic number.

380268818 is a deficient number, since it is larger than the sum of its proper divisors (232705486).

380268818 is a wasteful number, since it uses less digits than its factorization.

380268818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167017.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 380268818 is about 19500.4825068510. The cubic root of 380268818 is about 724.4864015262.

The spelling of 380268818 in words is "three hundred eighty million, two hundred sixty-eight thousand, eight hundred eighteen".