380444565 has 16 divisors (see below), whose sum is σ = 609297408. Its totient is φ = 202708416.

The previous prime is 380444563. The next prime is 380444579. The reversal of 380444565 is 565444083.

It is not a de Polignac number, because 380444565 - 2¹ = 380444563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380444563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639 + ... + 27971.

It is an arithmetic number, because the mean of its divisors is an integer number (38081088).

Almost surely, 2^380444565 is an apocalyptic number.

It is an amenable number.

380444565 is a deficient number, since it is larger than the sum of its proper divisors (228852843).

380444565 is a wasteful number, since it uses less digits than its factorization.

380444565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24428.

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 380444565 is about 19504.9882081482. The cubic root of 380444565 is about 724.5979951282.

The spelling of 380444565 in words is "three hundred eighty million, four hundred forty-four thousand, five hundred sixty-five".