4278785280 has 576 divisors, whose sum is σ = 17660160000. Its totient is φ = 856719360.

The previous prime is 4278785257. The next prime is 4278785353. The reversal of 4278785280 is 825878724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8574471 + ... + 8574969.

It is an arithmetic number, because the mean of its divisors is an integer number (30660000).

Almost surely, 2^4278785280 is an apocalyptic number.

4278785280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278785280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8830080000).

4278785280 is an abundant number, since it is smaller than the sum of its proper divisors (13381374720).

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

4278785280 is a wasteful number, since it uses less digits than its factorization.

4278785280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 51.

The square root of 4278785280 is about 65412.4245078869. The cubic root of 4278785280 is about 1623.4546609022.

The spelling of 4278785280 in words is "four billion, two hundred seventy-eight million, seven hundred eighty-five thousand, two hundred eighty".