276681440264 has 16 divisors (see below), whose sum is σ = 518847437520. Its totient is φ = 138322123600.

The previous prime is 276681440207. The next prime is 276681440293. The reversal of 276681440264 is 462044186672.

It is a super-2 number, since 2×276681440264² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261234 + ... + 2380449.

It is an arithmetic number, because the mean of its divisors is an integer number (32427964845).

Almost surely, 2^276681440264 is an apocalyptic number.

It is an amenable number.

276681440264 is a deficient number, since it is larger than the sum of its proper divisors (242165997256).

276681440264 is a wasteful number, since it uses less digits than its factorization.

276681440264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649140 (or 4649136 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 276681440264 in words is "two hundred seventy-six billion, six hundred eighty-one million, four hundred forty thousand, two hundred sixty-four".