273255016644 has 135 divisors (see below), whose sum is σ = 723535419607. Its totient is φ = 89927663616.

The previous prime is 273255016597. The next prime is 273255016651. The reversal of 273255016644 is 446610552372.

The square root of 273255016644 is 522738.

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

273255016644 is a `hidden beast` number, since 2 + 7 + 32 + 550 + 1 + 6 + 64 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18818244 + 273236198400 = 4338^2 + 522720^2 .

It is a super-2 number, since 2×273255016644² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 273255016644.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1063248964 + ... + 1063249220.

Almost surely, 2^273255016644 is an apocalyptic number.

273255016644 is the 522738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273255016644

273255016644 is an abundant number, since it is smaller than the sum of its proper divisors (450280402963).

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

273255016644 is an equidigital number, since it uses as much as digits as its factorization.

273255016644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 273255016644 in words is "two hundred seventy-three billion, two hundred fifty-five million, sixteen thousand, six hundred forty-four".