380440000 has 70 divisors (see below), whose sum is σ = 943466744. Its totient is φ = 152160000.

The previous prime is 380439979. The next prime is 380440019. The reversal of 380440000 is 44083.

It is a self number, because there is not a number n which added to its sum of digits gives 380440000.

It is a congruent 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 9 ways as a sum of consecutive naturals, for example, 35245 + ... + 44755.

Almost surely, 2^380440000 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 380440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471733372).

380440000 is an abundant number, since it is smaller than the sum of its proper divisors (563026744).

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

380440000 is an frugal number, since it uses more digits than its factorization.

380440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543 (or 9518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 380440000 is about 19504.8711864498. The cubic root of 380440000 is about 724.5950969371.

Adding to 380440000 its reverse (44083), we get a palindrome (380484083).

The spelling of 380440000 in words is "three hundred eighty million, four hundred forty thousand".