276648960 has 352 divisors, whose sum is σ = 1056448512. Its totient is φ = 60456960.

The previous prime is 276648959. The next prime is 276648989. The reversal of 276648960 is 69846672.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3333079 + ... + 3333161.

Almost surely, 2^276648960 is an apocalyptic number.

276648960 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 276648960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528224256).

276648960 is an abundant number, since it is smaller than the sum of its proper divisors (779799552).

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

276648960 is a wasteful number, since it uses less digits than its factorization.

276648960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 276648960 is about 16632.7676590518. The cubic root of 276648960 is about 651.5929058207.

The spelling of 276648960 in words is "two hundred seventy-six million, six hundred forty-eight thousand, nine hundred sixty".