276261696 has 168 divisors, whose sum is σ = 850529160. Its totient is φ = 85426176.

The previous prime is 276261637. The next prime is 276261701. The reversal of 276261696 is 696162672.

276261696 is a `hidden beast` number, since 2 + 7 + 626 + 16 + 9 + 6 = 666.

276261696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2822400 + 273439296 = 1680^2 + 16536^2 .

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 23 ways as a sum of consecutive naturals, for example, 871330 + ... + 871646.

Almost surely, 2^276261696 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 276261696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425264580).

276261696 is an abundant number, since it is smaller than the sum of its proper divisors (574267464).

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

276261696 is a wasteful number, since it uses less digits than its factorization.

276261696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 428 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 276261696 is about 16621.1219837892. The cubic root of 276261696 is about 651.2887221227.

The spelling of 276261696 in words is "two hundred seventy-six million, two hundred sixty-one thousand, six hundred ninety-six".