244140555 has 16 divisors (see below), whose sum is σ = 391537440. Its totient is φ = 129904128.

The previous prime is 244140521. The next prime is 244140569. The reversal of 244140555 is 555041442.

It is not a de Polignac number, because 244140555 - 2¹¹ = 244138507 is a prime.

It is a super-2 number, since 2×244140555² = 119209221191416050, which contains 22 as substring.

It is a nialpdrome in base 5.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12300 + ... + 25289.

It is an arithmetic number, because the mean of its divisors is an integer number (24471090).

Almost surely, 2^244140555 is an apocalyptic number.

244140555 is a deficient number, since it is larger than the sum of its proper divisors (147396885).

244140555 is a wasteful number, since it uses less digits than its factorization.

244140555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38030.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 244140555 is about 15624.9977599998. The cubic root of 244140555 is about 624.9999402667. Note that the first 4 decimals are identical.

Adding to 244140555 its reverse (555041442), we get a palindrome (799181997).

The spelling of 244140555 in words is "two hundred forty-four million, one hundred forty thousand, five hundred fifty-five".