275049512448 has 160 divisors (see below), whose sum is σ = 747532321536. Its totient is φ = 89852018688.

The previous prime is 275049512431. The next prime is 275049512467. The reversal of 275049512448 is 844215940572.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 275049512448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15337215 + ... + 15355137.

Almost surely, 2^275049512448 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 275049512448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373766160768).

275049512448 is an abundant number, since it is smaller than the sum of its proper divisors (472482809088).

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

275049512448 is a wasteful number, since it uses less digits than its factorization.

275049512448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144 (or 18128 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 275049512448 in words is "two hundred seventy-five billion, forty-nine million, five hundred twelve thousand, four hundred forty-eight".