276455256 has 256 divisors, whose sum is σ = 912384000. Its totient is φ = 69148800.

The previous prime is 276455227. The next prime is 276455341. The reversal of 276455256 is 652554672.

276455256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3893701 + ... + 3893771.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 2^276455256 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 276455256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456192000).

276455256 is an abundant number, since it is smaller than the sum of its proper divisors (635928744).

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

276455256 is a wasteful number, since it uses less digits than its factorization.

276455256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 137 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 276455256 is about 16626.9436758534. The cubic root of 276455256 is about 651.4407929268.

The spelling of 276455256 in words is "two hundred seventy-six million, four hundred fifty-five thousand, two hundred fifty-six".