272295905250 has 64 divisors (see below), whose sum is σ = 680597199360. Its totient is φ = 72511107200.

The previous prime is 272295905243. The next prime is 272295905279. The reversal of 272295905250 is 52509592272.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 272295905250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286774 + ... + 791726.

It is an arithmetic number, because the mean of its divisors is an integer number (10634331240).

Almost surely, 2^272295905250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272295905250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340298599680).

272295905250 is an abundant number, since it is smaller than the sum of its proper divisors (408301294110).

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

272295905250 is a wasteful number, since it uses less digits than its factorization.

272295905250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505692 (or 505682 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 272295905250 in words is "two hundred seventy-two billion, two hundred ninety-five million, nine hundred five thousand, two hundred fifty".