4278016540279 has 4 divisors (see below), whose sum is σ = 4278041242776. Its totient is φ = 4277991837784.

The previous prime is 4278016540253. The next prime is 4278016540333. The reversal of 4278016540279 is 9720456108724.

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

It is a cyclic number.

It is not a de Polignac number, because 4278016540279 - 2⁵ = 4278016540247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278016540219) 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, 12089629 + ... + 12438454.

It is an arithmetic number, because the mean of its divisors is an integer number (1069510310694).

Almost surely, 2^{4278016540279} is an apocalyptic number.

4278016540279 is a deficient number, since it is larger than the sum of its proper divisors (24702497).

4278016540279 is a wasteful number, since it uses less digits than its factorization.

4278016540279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24702496.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 4278016540279 in words is "four trillion, two hundred seventy-eight billion, sixteen million, five hundred forty thousand, two hundred seventy-nine".