276254064 has 120 divisors (see below), whose sum is σ = 821791152. Its totient is φ = 89786880.

The previous prime is 276254009. The next prime is 276254093. The reversal of 276254064 is 460452672.

276254064 is a `hidden beast` number, since 27 + 625 + 4 + 0 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158542 + ... + 160274.

Almost surely, 2^276254064 is an apocalyptic number.

276254064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276254064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410895576).

276254064 is an abundant number, since it is smaller than the sum of its proper divisors (545537088).

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

276254064 is a wasteful number, since it uses less digits than its factorization.

276254064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 276254064 is about 16620.8923948144. The cubic root of 276254064 is about 651.2827245711.

The spelling of 276254064 in words is "two hundred seventy-six million, two hundred fifty-four thousand, sixty-four".