1388072048 has 40 divisors (see below), whose sum is σ = 2936062080. Its totient is φ = 630472640.

The previous prime is 1388072041. The next prime is 1388072051. The reversal of 1388072048 is 8402708831.

It is a junction number, because it is equal to n+sod(n) for n = 1388071996 and 1388072014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388072041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365423 + ... + 369201.

It is an arithmetic number, because the mean of its divisors is an integer number (73401552).

Almost surely, 2^1388072048 is an apocalyptic number.

It is an amenable number.

1388072048 is an abundant number, since it is smaller than the sum of its proper divisors (1547990032).

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

1388072048 is a wasteful number, since it uses less digits than its factorization.

1388072048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885 (or 5879 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1388072048 is about 37256.8389426693. The cubic root of 1388072048 is about 1115.5028124940.

The spelling of 1388072048 in words is "one billion, three hundred eighty-eight million, seventy-two thousand, forty-eight".