276330240 has 324 divisors, whose sum is σ = 1027858104. Its totient is φ = 68517888.

The previous prime is 276330191. The next prime is 276330247. The reversal of 276330240 is 42033672.

276330240 is a `hidden beast` number, since 2 + 7 + 633 + 0 + 24 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276330247) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 3329239 + ... + 3329321.

Almost surely, 2^276330240 is an apocalyptic number.

276330240 is a gapful number since it is divisible by the number (20) 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 276330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513929052).

276330240 is an abundant number, since it is smaller than the sum of its proper divisors (751527864).

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

276330240 is a wasteful number, since it uses less digits than its factorization.

276330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 276330240 is about 16623.1838105701. The cubic root of 276330240 is about 651.3425819752.

The spelling of 276330240 in words is "two hundred seventy-six million, three hundred thirty thousand, two hundred forty".