273320845920 has 576 divisors, whose sum is σ = 1037025400320. Its totient is φ = 65239105536.

The previous prime is 273320845913. The next prime is 273320845961. The reversal of 273320845920 is 29548023372.

273320845920 is a `hidden beast` number, since 2 + 7 + 33 + 20 + 8 + 4 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 52227624 + ... + 52232856.

It is an arithmetic number, because the mean of its divisors is an integer number (1800391320).

Almost surely, 2^273320845920 is an apocalyptic number.

273320845920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273320845920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518512700160).

273320845920 is an abundant number, since it is smaller than the sum of its proper divisors (763704554400).

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

273320845920 is a wasteful number, since it uses less digits than its factorization.

273320845920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 273320845920 in words is "two hundred seventy-three billion, three hundred twenty million, eight hundred forty-five thousand, nine hundred twenty".