273226380 has 144 divisors (see below), whose sum is σ = 929193216. Its totient is φ = 58752000.

The previous prime is 273226357. The next prime is 273226411. The reversal of 273226380 is 83622372.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120255 + ... + 122505.

Almost surely, 2^273226380 is an apocalyptic number.

273226380 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 273226380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464596608).

273226380 is an abundant number, since it is smaller than the sum of its proper divisors (655966836).

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

273226380 is a wasteful number, since it uses less digits than its factorization.

273226380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 273226380 is about 16529.5607927132. The cubic root of 273226380 is about 648.8946737242.

The spelling of 273226380 in words is "two hundred seventy-three million, two hundred twenty-six thousand, three hundred eighty".