273918228480 has 864 divisors, whose sum is σ = 1054474621200. Its totient is φ = 65696956416.

The previous prime is 273918228403. The next prime is 273918228481. The reversal of 273918228480 is 84822819372.

273918228480 is a `hidden beast` number, since 2 + 73 + 91 + 8 + 2 + 2 + 8 + 480 = 666.

It is a super-2 number, since 2×273918228480² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273918228481) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 669726516 + ... + 669726924.

Almost surely, 2^273918228480 is an apocalyptic number.

273918228480 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 273918228480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527237310600).

273918228480 is an abundant number, since it is smaller than the sum of its proper divisors (780556392720).

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

273918228480 is a wasteful number, since it uses less digits than its factorization.

273918228480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 273918228480 in words is "two hundred seventy-three billion, nine hundred eighteen million, two hundred twenty-eight thousand, four hundred eighty".