276343804464 has 640 divisors, whose sum is σ = 932586977280. Its totient is φ = 68582080512.

The previous prime is 276343804433. The next prime is 276343804469. The reversal of 276343804464 is 464408343672.

It is not an unprimeable number, because it can be changed into a prime (276343804469) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 696079914 + ... + 696080310.

It is an arithmetic number, because the mean of its divisors is an integer number (1457167152).

Almost surely, 2^276343804464 is an apocalyptic number.

276343804464 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 276343804464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466293488640).

276343804464 is an abundant number, since it is smaller than the sum of its proper divisors (656243172816).

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

276343804464 is a wasteful number, since it uses less digits than its factorization.

276343804464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 51.

The spelling of 276343804464 in words is "two hundred seventy-six billion, three hundred forty-three million, eight hundred four thousand, four hundred sixty-four".