272120256 has 56 divisors (see below), whose sum is σ = 799988240. Its totient is φ = 90706176.

The previous prime is 272120249. The next prime is 272120257. The reversal of 272120256 is 652021272.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272120257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77011 + ... + 80466.

Almost surely, 2^272120256 is an apocalyptic number.

It is an amenable number.

272120256 is an abundant number, since it is smaller than the sum of its proper divisors (527867984).

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

272120256 is a wasteful number, since it uses less digits than its factorization.

272120256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157498 (or 157482 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 272120256 is about 16496.0678951076. The cubic root of 272120256 is about 648.0178321567.

The spelling of 272120256 in words is "two hundred seventy-two million, one hundred twenty thousand, two hundred fifty-six".