273660240 has 320 divisors, whose sum is σ = 1034933760. Its totient is φ = 58490880.

The previous prime is 273660239. The next prime is 273660259. The reversal of 273660240 is 42066372.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 273660198 and 273660207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1997452 + ... + 1997588.

It is an arithmetic number, because the mean of its divisors is an integer number (3234168).

Almost surely, 2^273660240 is an apocalyptic number.

273660240 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 273660240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517466880).

273660240 is an abundant number, since it is smaller than the sum of its proper divisors (761273520).

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

273660240 is a wasteful number, since it uses less digits than its factorization.

273660240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 273660240 is about 16542.6793476752. The cubic root of 273660240 is about 649.2379550716.

The spelling of 273660240 in words is "two hundred seventy-three million, six hundred sixty thousand, two hundred forty".