276403056 has 40 divisors (see below), whose sum is σ = 727520400. Its totient is φ = 90395136.

The previous prime is 276403009. The next prime is 276403069. The reversal of 276403056 is 650304672.

It is a super-2 number, since 2×276403056² = 152797298732278272, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 51781 + ... + 56868.

It is an arithmetic number, because the mean of its divisors is an integer number (18188010).

Almost surely, 2^276403056 is an apocalyptic number.

It is an amenable number.

276403056 is an abundant number, since it is smaller than the sum of its proper divisors (451117344).

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

276403056 is a wasteful number, since it uses less digits than its factorization.

276403056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108713 (or 108707 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 276403056 is about 16625.3738604580. The cubic root of 276403056 is about 651.3997888835.

The spelling of 276403056 in words is "two hundred seventy-six million, four hundred three thousand, fifty-six".