4278538414788 has 24 divisors (see below), whose sum is σ = 10890825056160. Its totient is φ = 1296526792320.

The previous prime is 4278538414697. The next prime is 4278538414807. The reversal of 4278538414788 is 8874148358724.

It is a super-2 number, since 2×4278538414788² (a number of 26 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16206584773 + ... + 16206585036.

It is an arithmetic number, because the mean of its divisors is an integer number (453784377340).

Almost surely, 2^{4278538414788} is an apocalyptic number.

It is an amenable number.

4278538414788 is an abundant number, since it is smaller than the sum of its proper divisors (6612286641372).

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

4278538414788 is a wasteful number, since it uses less digits than its factorization.

4278538414788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32413169827 (or 32413169825 counting only the distinct ones).

The product of its digits is 385351680, while the sum is 69.

The spelling of 4278538414788 in words is "four trillion, two hundred seventy-eight billion, five hundred thirty-eight million, four hundred fourteen thousand, seven hundred eighty-eight".