4278075264 has 336 divisors, whose sum is σ = 13592373120. Its totient is φ = 1340333568.

The previous prime is 4278075173. The next prime is 4278075271. The reversal of 4278075264 is 4625708724.

It is a happy number.

4278075264 is a `hidden beast` number, since 42 + 7 + 80 + 7 + 526 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 33685569 + ... + 33685695.

Almost surely, 2^4278075264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278075264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6796186560).

4278075264 is an abundant number, since it is smaller than the sum of its proper divisors (9314297856).

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

4278075264 is an equidigital number, since it uses as much as digits as its factorization.

4278075264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4278075264 is about 65406.9970568899. The cubic root of 4278075264 is about 1623.3648579579.

The spelling of 4278075264 in words is "four billion, two hundred seventy-eight million, seventy-five thousand, two hundred sixty-four".