4278727344 has 160 divisors (see below), whose sum is σ = 11972090880. Its totient is φ = 1312505856.

The previous prime is 4278727339. The next prime is 4278727351. The reversal of 4278727344 is 4437278724.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 4278727293 and 4278727302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7415184 + ... + 7415760.

It is an arithmetic number, because the mean of its divisors is an integer number (74825568).

Almost surely, 2^4278727344 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 4278727344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5986045440).

4278727344 is an abundant number, since it is smaller than the sum of its proper divisors (7693363536).

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

4278727344 is a wasteful number, since it uses less digits than its factorization.

4278727344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 821 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 48.

The square root of 4278727344 is about 65411.9816547397. The cubic root of 4278727344 is about 1623.4473335194.

The spelling of 4278727344 in words is "four billion, two hundred seventy-eight million, seven hundred twenty-seven thousand, three hundred forty-four".