244120513225 has 12 divisors (see below), whose sum is σ = 302850889740. Its totient is φ = 195205150400.

The previous prime is 244120513157. The next prime is 244120513261. The reversal of 244120513225 is 522315021442.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35210270736 + 208910242489 = 187644^2 + 457067^2 .

It is not a de Polignac number, because 244120513225 - 2¹³ = 244120505033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2226910 + ... + 2333959.

It is an arithmetic number, because the mean of its divisors is an integer number (25237574145).

Almost surely, 2^244120513225 is an apocalyptic number.

244120513225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244120513225 is a deficient number, since it is larger than the sum of its proper divisors (58730376515).

244120513225 is a wasteful number, since it uses less digits than its factorization.

244120513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563020 (or 4563015 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 244120513225 its reverse (522315021442), we get a palindrome (766435534667).

The spelling of 244120513225 in words is "two hundred forty-four billion, one hundred twenty million, five hundred thirteen thousand, two hundred twenty-five".