4028255447 has 4 divisors (see below), whose sum is σ = 4030630896. Its totient is φ = 4025880000.

The previous prime is 4028255431. The next prime is 4028255467. The reversal of 4028255447 is 7445528204.

It is a happy number.

4028255447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4028255447 - 2⁴ = 4028255431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028255467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185179 + ... + 1188572.

It is an arithmetic number, because the mean of its divisors is an integer number (1007657724).

Almost surely, 2^4028255447 is an apocalyptic number.

4028255447 is a deficient number, since it is larger than the sum of its proper divisors (2375449).

4028255447 is a wasteful number, since it uses less digits than its factorization.

4028255447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375448.

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 4028255447 is about 63468.5390331304. The cubic root of 4028255447 is about 1591.1300126061.

The spelling of 4028255447 in words is "four billion, twenty-eight million, two hundred fifty-five thousand, four hundred forty-seven".