4278255520128 has 32 divisors (see below), whose sum is σ = 11364116226360. Its totient is φ = 1426085173248.

The previous prime is 4278255520111. The next prime is 4278255520139. The reversal of 4278255520128 is 8210255528724.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570644825 + ... + 5570645592.

Almost surely, 2^{4278255520128} is an apocalyptic number.

4278255520128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4278255520128 is an abundant number, since it is smaller than the sum of its proper divisors (7085860706232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4278255520128 is a wasteful number, since it uses less digits than its factorization.

4278255520128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141290434 (or 11141290422 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 51.

The spelling of 4278255520128 in words is "four trillion, two hundred seventy-eight billion, two hundred fifty-five million, five hundred twenty thousand, one hundred twenty-eight".