1375575344 has 80 divisors (see below), whose sum is σ = 3215940000. Its totient is φ = 561530880.

The previous prime is 1375575343. The next prime is 1375575353. The reversal of 1375575344 is 4435755731.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1375575295 and 1375575304.

It is not an unprimeable number, because it can be changed into a prime (1375575343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76532 + ... + 92780.

It is an arithmetic number, because the mean of its divisors is an integer number (40199250).

Almost surely, 2^1375575344 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 1375575344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607970000).

1375575344 is an abundant number, since it is smaller than the sum of its proper divisors (1840364656).

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

1375575344 is a wasteful number, since it uses less digits than its factorization.

1375575344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16318 (or 16312 counting only the distinct ones).

The product of its digits is 882000, while the sum is 44.

The square root of 1375575344 is about 37088.7495610192. The cubic root of 1375575344 is about 1112.1451210633.

The spelling of 1375575344 in words is "one billion, three hundred seventy-five million, five hundred seventy-five thousand, three hundred forty-four".