4278688036 has 18 divisors (see below), whose sum is σ = 8710186758. Its totient is φ = 1833723360.

The previous prime is 4278688031. The next prime is 4278688049. The reversal of 4278688036 is 6308868724.

It can be written as a sum of positive squares in only one way, i.e., 4228900900 + 49787136 = 65030^2 + 7056^2 .

It is not an unprimeable number, because it can be changed into a prime (4278688031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10914825 + ... + 10915216.

Almost surely, 2^4278688036 is an apocalyptic number.

It is an amenable number.

4278688036 is an abundant number, since it is smaller than the sum of its proper divisors (4431498722).

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

4278688036 is a wasteful number, since it uses less digits than its factorization.

4278688036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21830059 (or 21830050 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The square root of 4278688036 is about 65411.6811892188. The cubic root of 4278688036 is about 1623.4423620518.

The spelling of 4278688036 in words is "four billion, two hundred seventy-eight million, six hundred eighty-eight thousand, thirty-six".