1375198448 has 40 divisors (see below), whose sum is σ = 2904012048. Its totient is φ = 627052032.

The previous prime is 1375198439. The next prime is 1375198463. The reversal of 1375198448 is 8448915731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1375198396 and 1375198405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22565 + ... + 57092.

Almost surely, 2^1375198448 is an apocalyptic number.

It is an amenable number.

1375198448 is an abundant number, since it is smaller than the sum of its proper divisors (1528813600).

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

1375198448 is a wasteful number, since it uses less digits than its factorization.

1375198448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79761 (or 79755 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 1375198448 is about 37083.6682112220. The cubic root of 1375198448 is about 1112.0435390023.

The spelling of 1375198448 in words is "one billion, three hundred seventy-five million, one hundred ninety-eight thousand, four hundred forty-eight".