276440857432 has 32 divisors (see below), whose sum is σ = 522280872000. Its totient is φ = 137167650304.

The previous prime is 276440857393. The next prime is 276440857463. The reversal of 276440857432 is 234758044672.

It is a self number, because there is not a number n which added to its sum of digits gives 276440857432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209648 + ... + 1419904.

It is an arithmetic number, because the mean of its divisors is an integer number (16321277250).

Almost surely, 2^276440857432 is an apocalyptic number.

It is an amenable number.

276440857432 is a deficient number, since it is larger than the sum of its proper divisors (245840014568).

276440857432 is a wasteful number, since it uses less digits than its factorization.

276440857432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211515 (or 211511 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 52.

The spelling of 276440857432 in words is "two hundred seventy-six billion, four hundred forty million, eight hundred fifty-seven thousand, four hundred thirty-two".