4278826257005 has 16 divisors (see below), whose sum is σ = 5208510384000. Its totient is φ = 3374132498880.

The previous prime is 4278826257001. The next prime is 4278826257007. The reversal of 4278826257005 is 5007526288724.

It is not a de Polignac number, because 4278826257005 - 2² = 4278826257001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278826257001) 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, 21823745 + ... + 22018934.

It is an arithmetic number, because the mean of its divisors is an integer number (325531899000).

Almost surely, 2^{4278826257005} is an apocalyptic number.

It is an amenable number.

4278826257005 is a deficient number, since it is larger than the sum of its proper divisors (929684126995).

4278826257005 is a wasteful number, since it uses less digits than its factorization.

4278826257005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43842964.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 4278826257005 in words is "four trillion, two hundred seventy-eight billion, eight hundred twenty-six million, two hundred fifty-seven thousand, five".