4278557355042 has 16 divisors (see below), whose sum is σ = 8557150763520. Its totient is φ = 1426179776112.

The previous prime is 4278557355001. The next prime is 4278557355043. The reversal of 4278557355042 is 2405537558724.

It is not an unprimeable number, because it can be changed into a prime (4278557355043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 186559 + ... + 2931197.

It is an arithmetic number, because the mean of its divisors is an integer number (534821922720).

Almost surely, 2^{4278557355042} is an apocalyptic number.

4278557355042 is an abundant number, since it is smaller than the sum of its proper divisors (4278593408478).

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

4278557355042 is a wasteful number, since it uses less digits than its factorization.

4278557355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004457.

The product of its (nonzero) digits is 47040000, while the sum is 57.

The spelling of 4278557355042 in words is "four trillion, two hundred seventy-eight billion, five hundred fifty-seven million, three hundred fifty-five thousand, forty-two".