276232320 has 768 divisors, whose sum is σ = 1283143680. Its totient is φ = 53084160.

The previous prime is 276232309. The next prime is 276232349. The reversal of 276232320 is 23232672.

276232320 is a `hidden beast` number, since 2 + 7 + 623 + 2 + 32 + 0 = 666.

It is a super-2 number, since 2×276232320² = 152608589225164800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8910705 + ... + 8910735.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^276232320 is an apocalyptic number.

276232320 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 276232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641571840).

276232320 is an abundant number, since it is smaller than the sum of its proper divisors (1006911360).

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

276232320 is a wasteful number, since it uses less digits than its factorization.

276232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 78 counting only the distinct ones).

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

The square root of 276232320 is about 16620.2382654401. The cubic root of 276232320 is about 651.2656366015.

Adding to 276232320 its reverse (23232672), we get a palindrome (299464992).

The spelling of 276232320 in words is "two hundred seventy-six million, two hundred thirty-two thousand, three hundred twenty".