276634061220672 has 140 divisors (see below), whose sum is σ = 820592090852160. Its totient is φ = 92148149470464.

The previous prime is 276634061220641. The next prime is 276634061220709. The reversal of 276634061220672 is 276022160436672.

276634061220672 is a `hidden beast` number, since 2 + 7 + 6 + 6 + 3 + 406 + 1 + 220 + 6 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10724088 + ... + 25850999.

Almost surely, 2^{276634061220672} is an apocalyptic number.

It is an amenable number.

276634061220672 is an abundant number, since it is smaller than the sum of its proper divisors (543958029631488).

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

276634061220672 is a wasteful number, since it uses less digits than its factorization.

276634061220672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36576570 (or 36576551 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 276634061220672 in words is "two hundred seventy-six trillion, six hundred thirty-four billion, sixty-one million, two hundred twenty thousand, six hundred seventy-two".