4278488652780 has 48 divisors (see below), whose sum is σ = 11982037581024. Its totient is φ = 1140714178560.

The previous prime is 4278488652749. The next prime is 4278488652791. The reversal of 4278488652780 is 872568848724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6434527 + ... + 7068246.

It is an arithmetic number, because the mean of its divisors is an integer number (249625782938).

Almost surely, 2^{4278488652780} is an apocalyptic number.

It is an amenable number.

4278488652780 is an abundant number, since it is smaller than the sum of its proper divisors (7703548928244).

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

4278488652780 is a wasteful number, since it uses less digits than its factorization.

4278488652780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13508066 (or 13508064 counting only the distinct ones).

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

The spelling of 4278488652780 in words is "four trillion, two hundred seventy-eight billion, four hundred eighty-eight million, six hundred fifty-two thousand, seven hundred eighty".