276072221250056 has 128 divisors (see below), whose sum is σ = 646666580367360. Its totient is φ = 107343523123200.

The previous prime is 276072221250053. The next prime is 276072221250079. The reversal of 276072221250056 is 650052122270672.

It is not an unprimeable number, because it can be changed into a prime (276072221250053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833280541 + ... + 1833431123.

It is an arithmetic number, because the mean of its divisors is an integer number (5052082659120).

Almost surely, 2^{276072221250056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276072221250056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323333290183680).

276072221250056 is an abundant number, since it is smaller than the sum of its proper divisors (370594359117304).

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

276072221250056 is a wasteful number, since it uses less digits than its factorization.

276072221250056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156595 (or 156591 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 276072221250056 in words is "two hundred seventy-six trillion, seventy-two billion, two hundred twenty-one million, two hundred fifty thousand, fifty-six".