244120420545 has 32 divisors (see below), whose sum is σ = 393095510784. Its totient is φ = 129365913600.

The previous prime is 244120420543. The next prime is 244120420571. The reversal of 244120420545 is 545024021442.

It is not a de Polignac number, because 244120420545 - 2¹ = 244120420543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244120420543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1405860 + ... + 1569930.

It is an arithmetic number, because the mean of its divisors is an integer number (12284234712).

Almost surely, 2^244120420545 is an apocalyptic number.

It is an amenable number.

244120420545 is a deficient number, since it is larger than the sum of its proper divisors (148975090239).

244120420545 is a wasteful number, since it uses less digits than its factorization.

244120420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164713.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 244120420545 its reverse (545024021442), we get a palindrome (789144441987).

The spelling of 244120420545 in words is "two hundred forty-four billion, one hundred twenty million, four hundred twenty thousand, five hundred forty-five".