1380078448 has 80 divisors (see below), whose sum is σ = 3221311680. Its totient is φ = 560222208.

The previous prime is 1380078439. The next prime is 1380078467. The reversal of 1380078448 is 8448700831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168136 + ... + 176152.

It is an arithmetic number, because the mean of its divisors is an integer number (40266396).

Almost surely, 2^1380078448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380078448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610655840).

1380078448 is an abundant number, since it is smaller than the sum of its proper divisors (1841233232).

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

1380078448 is a wasteful number, since it uses less digits than its factorization.

1380078448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114 (or 8108 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1380078448 is about 37149.4071015945. The cubic root of 1380078448 is about 1113.3573774991.

The spelling of 1380078448 in words is "one billion, three hundred eighty million, seventy-eight thousand, four hundred forty-eight".