244120421245 has 8 divisors (see below), whose sum is σ = 295082787384. Its totient is φ = 193870815744.

The previous prime is 244120421221. The next prime is 244120421249. The reversal of 244120421245 is 542124021442.

It can be written as a sum of positive squares in 4 ways, for example, as 10071527449 + 234048893796 = 100357^2 + 483786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244120421245 - 2⁵ = 244120421213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244120421249) 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, 178189404 + ... + 178190773.

It is an arithmetic number, because the mean of its divisors is an integer number (36885348423).

Almost surely, 2^244120421245 is an apocalyptic number.

It is an amenable number.

244120421245 is a deficient number, since it is larger than the sum of its proper divisors (50962366139).

244120421245 is a wasteful number, since it uses less digits than its factorization.

244120421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356380319.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 244120421245 its reverse (542124021442), we get a palindrome (786244442687).

The spelling of 244120421245 in words is "two hundred forty-four billion, one hundred twenty million, four hundred twenty-one thousand, two hundred forty-five".