273940480 has 152 divisors (see below), whose sum is σ = 754973280. Its totient is φ = 94371840.

The previous prime is 273940453. The next prime is 273940493. The reversal of 273940480 is 84049372.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (152).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14417911 + ... + 14417929.

Almost surely, 2^273940480 is an apocalyptic number.

273940480 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 273940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377486640).

273940480 is an abundant number, since it is smaller than the sum of its proper divisors (481032800).

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

273940480 is an frugal number, since it uses more digits than its factorization.

273940480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 273940480 is about 16551.1473922505. The cubic root of 273940480 is about 649.4594954436.

The spelling of 273940480 in words is "two hundred seventy-three million, nine hundred forty thousand, four hundred eighty".