276157056 has 128 divisors (see below), whose sum is σ = 850728960. Its totient is φ = 77736960.

The previous prime is 276157043. The next prime is 276157073. The reversal of 276157056 is 650751672.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190125 + ... + 191571.

It is an arithmetic number, because the mean of its divisors is an integer number (6646320).

Almost surely, 2^276157056 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 276157056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425364480).

276157056 is an abundant number, since it is smaller than the sum of its proper divisors (574571904).

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

276157056 is a wasteful number, since it uses less digits than its factorization.

276157056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 276157056 is about 16617.9738837200. The cubic root of 276157056 is about 651.2064819144.

The spelling of 276157056 in words is "two hundred seventy-six million, one hundred fifty-seven thousand, fifty-six".