244368503857 has 16 divisors (see below), whose sum is σ = 277669584000. Its totient is φ = 213805557504.

The previous prime is 244368503831. The next prime is 244368503881. The reversal of 244368503857 is 758305863442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244368503857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244368503798 and 244368503807.

It is not an unprimeable number, because it can be changed into a prime (244368593857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9628632 + ... + 9653977.

It is an arithmetic number, because the mean of its divisors is an integer number (17354349000).

Almost surely, 2^244368503857 is an apocalyptic number.

It is an amenable number.

244368503857 is a deficient number, since it is larger than the sum of its proper divisors (33301080143).

244368503857 is a wasteful number, since it uses less digits than its factorization.

244368503857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19282680.

The product of its (nonzero) digits is 19353600, while the sum is 55.

It can be divided in two parts, 244368 and 503857, that added together give a square (748225 = 865²).

The spelling of 244368503857 in words is "two hundred forty-four billion, three hundred sixty-eight million, five hundred three thousand, eight hundred fifty-seven".