273920505516 has 240 divisors, whose sum is σ = 834642310656. Its totient is φ = 76720939776.

The previous prime is 273920505503. The next prime is 273920505527. The reversal of 273920505516 is 615505029372.

273920505516 is a `hidden beast` number, since 2 + 7 + 3 + 92 + 0 + 5 + 0 + 551 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27644235 + ... + 27654141.

Almost surely, 2^273920505516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273920505516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417321155328).

273920505516 is an abundant number, since it is smaller than the sum of its proper divisors (560721805140).

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

273920505516 is a wasteful number, since it uses less digits than its factorization.

273920505516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 10159 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 273920505516 in words is "two hundred seventy-three billion, nine hundred twenty million, five hundred five thousand, five hundred sixteen".