276968448 has 132 divisors (see below), whose sum is σ = 820363908. Its totient is φ = 89948160.

The previous prime is 276968443. The next prime is 276968467. The reversal of 276968448 is 844869672.

It can be written as a sum of positive squares in 2 ways, for example, as 148644864 + 128323584 = 12192^2 + 11328^2 .

It is a junction number, because it is equal to n+sod(n) for n = 276968394 and 276968403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276968441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377490 + ... + 378222.

Almost surely, 2^276968448 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 276968448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410181954).

276968448 is an abundant number, since it is smaller than the sum of its proper divisors (543395460).

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

276968448 is a wasteful number, since it uses less digits than its factorization.

276968448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 779 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 276968448 is about 16642.3690621257. The cubic root of 276968448 is about 651.8436399741.

It can be divided in two parts, 2769 and 68448, that added together give a palindrome (71217).

The spelling of 276968448 in words is "two hundred seventy-six million, nine hundred sixty-eight thousand, four hundred forty-eight".