272227640 has 64 divisors (see below), whose sum is σ = 636444000. Its totient is φ = 104670720.

The previous prime is 272227639. The next prime is 272227651. The reversal of 272227640 is 46722272.

It is a junction number, because it is equal to n+sod(n) for n = 272227597 and 272227606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383606 + ... + 384314.

Almost surely, 2^272227640 is an apocalyptic number.

272227640 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 272227640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318222000).

272227640 is an abundant number, since it is smaller than the sum of its proper divisors (364216360).

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

272227640 is a wasteful number, since it uses less digits than its factorization.

272227640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 272227640 is about 16499.3224103295. The cubic root of 272227640 is about 648.1030611366.

The spelling of 272227640 in words is "two hundred seventy-two million, two hundred twenty-seven thousand, six hundred forty".