273260240 has 120 divisors (see below), whose sum is σ = 725766048. Its totient is φ = 94885120.

The previous prime is 273260231. The next prime is 273260269. The reversal of 273260240 is 42062372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465227 + ... + 465813.

Almost surely, 2^273260240 is an apocalyptic number.

273260240 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 273260240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362883024).

273260240 is an abundant number, since it is smaller than the sum of its proper divisors (452505808).

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

273260240 is a wasteful number, since it uses less digits than its factorization.

273260240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 273260240 is about 16530.5849866240. The cubic root of 273260240 is about 648.9214777076.

The spelling of 273260240 in words is "two hundred seventy-three million, two hundred sixty thousand, two hundred forty".