320656050225 has 81 divisors (see below), whose sum is σ = 668222783553. Its totient is φ = 146558442240.

The previous prime is 320656050179. The next prime is 320656050227. The reversal of 320656050225 is 522050656023.

The square root of 320656050225 is 566265.

It is a perfect power (a square), and thus also a powerful number.

320656050225 is a `hidden beast` number, since 3 + 20 + 6 + 5 + 605 + 0 + 2 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54561017889 + 266095032336 = 233583^2 + 515844^2 .

It is not a de Polignac number, because 320656050225 - 2⁹ = 320656049713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320656050225.

It is not an unprimeable number, because it can be changed into a prime (320656050227) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 59455129 + ... + 59460521.

Almost surely, 2^320656050225 is an apocalyptic number.

320656050225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

320656050225 is the 566265-th square number.

320656050225 is the 283133-rd centered octagonal number.

It is an amenable number.

320656050225 is an abundant number, since it is smaller than the sum of its proper divisors (347566733328).

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

320656050225 is an frugal number, since it uses more digits than its factorization.

320656050225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Multiplying 320656050225 by its sum of digits (36), we get a square (11543617808100 = 3397590²).

The spelling of 320656050225 in words is "three hundred twenty billion, six hundred fifty-six million, fifty thousand, two hundred twenty-five".