273044242242 has 162 divisors, whose sum is σ = 637756119819. Its totient is φ = 84420846720.

The previous prime is 273044242217. The next prime is 273044242297. The reversal of 273044242242 is 242242440372.

273044242242 is a `hidden beast` number, since 2 + 7 + 3 + 0 + 4 + 424 + 224 + 2 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 166912285401 + 106131956841 = 408549^2 + 325779^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=369489.

It is a junction number, because it is equal to n+sod(n) for n = 273044242197 and 273044242206.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1993023598 + ... + 1993023734.

Almost surely, 2^273044242242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273044242242

273044242242 is an abundant number, since it is smaller than the sum of its proper divisors (364711877577).

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

273044242242 is a wasteful number, since it uses less digits than its factorization.

273044242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 36.

The spelling of 273044242242 in words is "two hundred seventy-three billion, forty-four million, two hundred forty-two thousand, two hundred forty-two".