276212138256 has 60 divisors (see below), whose sum is σ = 797946190080. Its totient is φ = 89100688320.

The previous prime is 276212138243. The next prime is 276212138273. The reversal of 276212138256 is 652831212672.

276212138256 is a `hidden beast` number, since 2 + 7 + 6 + 212 + 1 + 382 + 56 = 666.

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 11 ways as a sum of consecutive naturals, for example, 30933276 + ... + 30942203.

It is an arithmetic number, because the mean of its divisors is an integer number (13299103168).

Almost surely, 2^276212138256 is an apocalyptic number.

It is an amenable number.

276212138256 is an abundant number, since it is smaller than the sum of its proper divisors (521734051824).

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

276212138256 is a wasteful number, since it uses less digits than its factorization.

276212138256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61875524 (or 61875515 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 276212138256 in words is "two hundred seventy-six billion, two hundred twelve million, one hundred thirty-eight thousand, two hundred fifty-six".