1388548960 has 48 divisors (see below), whose sum is σ = 3283256592. Its totient is φ = 554944000.

The previous prime is 1388548919. The next prime is 1388548963. The reversal of 1388548960 is 698458831.

It is a junction number, because it is equal to n+sod(n) for n = 1388548898 and 1388548907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388548963) by changing a digit.

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, 229170 + ... + 235150.

It is an arithmetic number, because the mean of its divisors is an integer number (68401179).

Almost surely, 2^1388548960 is an apocalyptic number.

1388548960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1388548960 is an abundant number, since it is smaller than the sum of its proper divisors (1894707632).

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

1388548960 is a wasteful number, since it uses less digits than its factorization.

1388548960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447 (or 7439 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 1388548960 is about 37263.2387212921. The cubic root of 1388548960 is about 1115.6305522037.

The spelling of 1388548960 in words is "one billion, three hundred eighty-eight million, five hundred forty-eight thousand, nine hundred sixty".