244720261442 has 16 divisors (see below), whose sum is σ = 378958694400. Its totient is φ = 118401467520.

The previous prime is 244720261391. The next prime is 244720261531. The reversal of 244720261442 is 244162027442.

It is a junction number, because it is equal to n+sod(n) for n = 244720261396 and 244720261405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465359 + ... + 840237.

It is an arithmetic number, because the mean of its divisors is an integer number (23684918400).

Almost surely, 2^244720261442 is an apocalyptic number.

244720261442 is a deficient number, since it is larger than the sum of its proper divisors (134238432958).

244720261442 is a wasteful number, since it uses less digits than its factorization.

244720261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385441.

The product of its (nonzero) digits is 172032, while the sum is 38.

Adding to 244720261442 its reverse (244162027442), we get a palindrome (488882288884).

The spelling of 244720261442 in words is "two hundred forty-four billion, seven hundred twenty million, two hundred sixty-one thousand, four hundred forty-two".