276566049 has 16 divisors (see below), whose sum is σ = 410678400. Its totient is φ = 183949488.

The previous prime is 276566041. The next prime is 276566051. The reversal of 276566049 is 940665672.

It is not a de Polignac number, because 276566049 - 2³ = 276566041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276565995 and 276566013.

It is not an unprimeable number, because it can be changed into a prime (276566041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187 + ... + 23519.

It is an arithmetic number, because the mean of its divisors is an integer number (25667400).

Almost surely, 2^276566049 is an apocalyptic number.

It is an amenable number.

276566049 is a deficient number, since it is larger than the sum of its proper divisors (134112351).

276566049 is a wasteful number, since it uses less digits than its factorization.

276566049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23781 (or 23775 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 276566049 is about 16630.2750728904. The cubic root of 276566049 is about 651.5278057299.

The spelling of 276566049 in words is "two hundred seventy-six million, five hundred sixty-six thousand, forty-nine".