1380739360 has 384 divisors, whose sum is σ = 4517420544. Its totient is φ = 384860160.

The previous prime is 1380739357. The next prime is 1380739361. The reversal of 1380739360 is 639370831.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1380739361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5925804 + ... + 5926036.

It is an arithmetic number, because the mean of its divisors is an integer number (11764116).

Almost surely, 2^1380739360 is an apocalyptic number.

1380739360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380739360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258710272).

1380739360 is an abundant number, since it is smaller than the sum of its proper divisors (3136681184).

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

1380739360 is a wasteful number, since it uses less digits than its factorization.

1380739360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1380739360 is about 37158.3013605305. The cubic root of 1380739360 is about 1113.5350760499.

The spelling of 1380739360 in words is "one billion, three hundred eighty million, seven hundred thirty-nine thousand, three hundred sixty".