273843774560 has 48 divisors (see below), whose sum is σ = 681006236400. Its totient is φ = 103772376576.

The previous prime is 273843774551. The next prime is 273843774571. The reversal of 273843774560 is 65477348372.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 273843774496 and 273843774505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45037055 + ... + 45043134.

It is an arithmetic number, because the mean of its divisors is an integer number (14187629925).

Almost surely, 2^273843774560 is an apocalyptic number.

273843774560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273843774560 is an abundant number, since it is smaller than the sum of its proper divisors (407162461840).

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

273843774560 is a wasteful number, since it uses less digits than its factorization.

273843774560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90080223 (or 90080215 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 273843774560 in words is "two hundred seventy-three billion, eight hundred forty-three million, seven hundred seventy-four thousand, five hundred sixty".