380444181 has 12 divisors (see below), whose sum is σ = 549281088. Its totient is φ = 234119184.

The previous prime is 380444149. The next prime is 380444227. The reversal of 380444181 is 181444083.

It is not a de Polignac number, because 380444181 - 2⁵ = 380444149 is a prime.

It is a super-2 number, since 2×380444181² = 289475549713521522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380444111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374685 + ... + 375698.

It is an arithmetic number, because the mean of its divisors is an integer number (45773424).

Almost surely, 2^380444181 is an apocalyptic number.

It is an amenable number.

380444181 is a deficient number, since it is larger than the sum of its proper divisors (168836907).

380444181 is a wasteful number, since it uses less digits than its factorization.

380444181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750412 (or 750399 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 380444181 is about 19504.9783645099. The cubic root of 380444181 is about 724.5977513382.

The spelling of 380444181 in words is "three hundred eighty million, four hundred forty-four thousand, one hundred eighty-one".