44068042502257 has 4 divisors (see below), whose sum is σ = 44068621225716. Its totient is φ = 44067463778800.

The previous prime is 44068042502117. The next prime is 44068042502291. The reversal of 44068042502257 is 75220524086044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3205661070096 + 40862381432161 = 1790436^2 + 6392369^2 .

It is a cyclic number.

It is not a de Polignac number, because 44068042502257 - 2⁴³ = 35271949480049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44068042502257.

It is not an unprimeable number, because it can be changed into a prime (44068042602257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289247494 + ... + 289399807.

It is an arithmetic number, because the mean of its divisors is an integer number (11017155306429).

Almost surely, 2^{44068042502257} is an apocalyptic number.

It is an amenable number.

44068042502257 is a deficient number, since it is larger than the sum of its proper divisors (578723459).

44068042502257 is an equidigital number, since it uses as much as digits as its factorization.

44068042502257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578723458.

The product of its (nonzero) digits is 4300800, while the sum is 49.

The spelling of 44068042502257 in words is "forty-four trillion, sixty-eight billion, forty-two million, five hundred two thousand, two hundred fifty-seven".