273244446720 has 672 divisors, whose sum is σ = 1105105435200. Its totient is φ = 62426972160.

The previous prime is 273244446691. The next prime is 273244446847. The reversal of 273244446720 is 27644442372.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (672).

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 47 ways as a sum of consecutive naturals, for example, 126442440 + ... + 126444600.

Almost surely, 2^273244446720 is an apocalyptic number.

273244446720 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 273244446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552552717600).

273244446720 is an abundant number, since it is smaller than the sum of its proper divisors (831860988480).

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

273244446720 is an equidigital number, since it uses as much as digits as its factorization.

273244446720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 45.

The spelling of 273244446720 in words is "two hundred seventy-three billion, two hundred forty-four million, four hundred forty-six thousand, seven hundred twenty".