276672616400 has 30 divisors (see below), whose sum is σ = 664705961862. Its totient is φ = 110669046400.

The previous prime is 276672616391. The next prime is 276672616403. The reversal of 276672616400 is 4616276672.

It can be written as a sum of positive squares in 3 ways, for example, as 55117891984 + 221554724416 = 234772^2 + 470696^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276672616403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345840371 + ... + 345841170.

Almost surely, 2^276672616400 is an apocalyptic number.

276672616400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276672616400 is an abundant number, since it is smaller than the sum of its proper divisors (388033345462).

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

276672616400 is a wasteful number, since it uses less digits than its factorization.

276672616400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691681559 (or 691681548 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 276672616400 in words is "two hundred seventy-six billion, six hundred seventy-two million, six hundred sixteen thousand, four hundred".