276749644900 has 81 divisors (see below), whose sum is σ = 620910009867. Its totient is φ = 107065766400.

The previous prime is 276749644859. The next prime is 276749644901. The reversal of 276749644900 is 9446947672.

The square root of 276749644900 is 526070.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 52141895716 + 224607749184 = 228346^2 + 473928^2 .

It is not an unprimeable number, because it can be changed into a prime (276749644901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 163080852 + ... + 163082548.

Almost surely, 2^276749644900 is an apocalyptic number.

276749644900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

276749644900 is the 526070-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276749644900

276749644900 is an abundant number, since it is smaller than the sum of its proper divisors (344160364967).

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

276749644900 is an equidigital number, since it uses as much as digits as its factorization.

276749644900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 276749644900 in words is "two hundred seventy-six billion, seven hundred forty-nine million, six hundred forty-four thousand, nine hundred".