1380055648 has 48 divisors (see below), whose sum is σ = 2880423504. Its totient is φ = 648622080.

The previous prime is 1380055639. The next prime is 1380055667. The reversal of 1380055648 is 8465500831.

It is a self number, because there is not a number n which added to its sum of digits gives 1380055648.

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 7 ways as a sum of consecutive naturals, for example, 832036 + ... + 833692.

It is an arithmetic number, because the mean of its divisors is an integer number (60008823).

Almost surely, 2^1380055648 is an apocalyptic number.

It is an amenable number.

1380055648 is an abundant number, since it is smaller than the sum of its proper divisors (1500367856).

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

1380055648 is a wasteful number, since it uses less digits than its factorization.

1380055648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1380055648 is about 37149.1002313650. The cubic root of 1380055648 is about 1113.3512462805.

The spelling of 1380055648 in words is "one billion, three hundred eighty million, fifty-five thousand, six hundred forty-eight".