1380485438 has 8 divisors (see below), whose sum is σ = 2160759888. Its totient is φ = 660232144.

The previous prime is 1380485423. The next prime is 1380485441. The reversal of 1380485438 is 8345840831.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 15005231 + ... + 15005322.

It is an arithmetic number, because the mean of its divisors is an integer number (270094986).

Almost surely, 2^1380485438 is an apocalyptic number.

1380485438 is a deficient number, since it is larger than the sum of its proper divisors (780274450).

1380485438 is a wasteful number, since it uses less digits than its factorization.

1380485438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30010578.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 1380485438 is about 37154.8844433676. The cubic root of 1380485438 is about 1113.4668110810.

The spelling of 1380485438 in words is "one billion, three hundred eighty million, four hundred eighty-five thousand, four hundred thirty-eight".