4278730705238 has 16 divisors (see below), whose sum is σ = 7005539819520. Its totient is φ = 1943771903400.

The previous prime is 4278730705099. The next prime is 4278730705241. The reversal of 4278730705238 is 8325070378724.

It is a congruent number.

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, 55244918 + ... + 55322313.

It is an arithmetic number, because the mean of its divisors is an integer number (437846238720).

Almost surely, 2^{4278730705238} is an apocalyptic number.

4278730705238 is a deficient number, since it is larger than the sum of its proper divisors (2726809114282).

4278730705238 is a wasteful number, since it uses less digits than its factorization.

4278730705238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110569003.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 4278730705238 in words is "four trillion, two hundred seventy-eight billion, seven hundred thirty million, seven hundred five thousand, two hundred thirty-eight".