273492742280 has 16 divisors (see below), whose sum is σ = 615358670220. Its totient is φ = 109397096896.

The previous prime is 273492742253. The next prime is 273492742301. The reversal of 273492742280 is 82247294372.

It can be written as a sum of positive squares in 2 ways, for example, as 264992271076 + 8500471204 = 514774^2 + 92198^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418659239 + ... + 3418659318.

Almost surely, 2^273492742280 is an apocalyptic number.

273492742280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273492742280 is an abundant number, since it is smaller than the sum of its proper divisors (341865927940).

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

273492742280 is a wasteful number, since it uses less digits than its factorization.

273492742280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837318568 (or 6837318564 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 273492742280 in words is "two hundred seventy-three billion, four hundred ninety-two million, seven hundred forty-two thousand, two hundred eighty".