4028234578 has 8 divisors (see below), whose sum is σ = 6156358668. Its totient is φ = 1976115024.

The previous prime is 4028234557. The next prime is 4028234579. The reversal of 4028234578 is 8754328204.

It can be written as a sum of positive squares in 2 ways, for example, as 3843628009 + 184606569 = 61997^2 + 13587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4028234579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19001001 + ... + 19001212.

Almost surely, 2^4028234578 is an apocalyptic number.

4028234578 is a deficient number, since it is larger than the sum of its proper divisors (2128124090).

4028234578 is a wasteful number, since it uses less digits than its factorization.

4028234578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38002268.

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 4028234578 is about 63468.3746286290. The cubic root of 4028234578 is about 1591.1272649030.

The spelling of 4028234578 in words is "four billion, twenty-eight million, two hundred thirty-four thousand, five hundred seventy-eight".