227576321380 has 24 divisors (see below), whose sum is σ = 478261478520. Its totient is φ = 90963632640.

The previous prime is 227576321369. The next prime is 227576321389. The reversal of 227576321380 is 83123675722.

It can be written as a sum of positive squares in 4 ways, for example, as 10711008036 + 216865313344 = 103494^2 + 465688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 227576321380.

It is not an unprimeable number, because it can be changed into a prime (227576321389) 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, 4153095 + ... + 4207534.

It is an arithmetic number, because the mean of its divisors is an integer number (19927561605).

Almost surely, 2^227576321380 is an apocalyptic number.

227576321380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227576321380 is an abundant number, since it is smaller than the sum of its proper divisors (250685157140).

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

227576321380 is a wasteful number, since it uses less digits than its factorization.

227576321380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361999 (or 8361997 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 227576321380 in words is "two hundred twenty-seven billion, five hundred seventy-six million, three hundred twenty-one thousand, three hundred eighty".