1375448256 has 224 divisors, whose sum is σ = 4977262080. Its totient is φ = 362714112.

The previous prime is 1375448237. The next prime is 1375448273. The reversal of 1375448256 is 6528445731.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152875 + ... + 161621.

It is an arithmetic number, because the mean of its divisors is an integer number (22219920).

Almost surely, 2^1375448256 is an apocalyptic number.

1375448256 is a gapful number since it is divisible by the number (16) 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 1375448256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2488631040).

1375448256 is an abundant number, since it is smaller than the sum of its proper divisors (3601813824).

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

1375448256 is a wasteful number, since it uses less digits than its factorization.

1375448256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788 (or 8772 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 1375448256 is about 37087.0362256139. The cubic root of 1375448256 is about 1112.1108700248.

The spelling of 1375448256 in words is "one billion, three hundred seventy-five million, four hundred forty-eight thousand, two hundred fifty-six".