380254666 has 16 divisors (see below), whose sum is σ = 623801088. Its totient is φ = 172408000.

The previous prime is 380254643. The next prime is 380254673. The reversal of 380254666 is 666452083.

It is a happy number.

It is a super-2 number, since 2×380254666² = 289187222029543112, which contains 22 as substring.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12730 + ... + 30373.

It is an arithmetic number, because the mean of its divisors is an integer number (38987568).

Almost surely, 2^380254666 is an apocalyptic number.

380254666 is a deficient number, since it is larger than the sum of its proper divisors (243546422).

380254666 is a wasteful number, since it uses less digits than its factorization.

380254666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43517.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 380254666 is about 19500.1196406586. The cubic root of 380254666 is about 724.4774139729.

The spelling of 380254666 in words is "three hundred eighty million, two hundred fifty-four thousand, six hundred sixty-six".