4728244538 has 32 divisors (see below), whose sum is σ = 7271147520. Its totient is φ = 2305385280.

The previous prime is 4728244531. The next prime is 4728244553. The reversal of 4728244538 is 8354428274.

It is a super-2 number, since 2×4728244538² = 44712592822253666888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4728244492 and 4728244501.

It is not an unprimeable number, because it can be changed into a prime (4728244531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9289028 + ... + 9289536.

It is an arithmetic number, because the mean of its divisors is an integer number (227223360).

Almost surely, 2^4728244538 is an apocalyptic number.

4728244538 is a deficient number, since it is larger than the sum of its proper divisors (2542902982).

4728244538 is a wasteful number, since it uses less digits than its factorization.

4728244538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

The product of its digits is 1720320, while the sum is 47.

The square root of 4728244538 is about 68762.2319154927. The cubic root of 4728244538 is about 1678.4174129431.

The spelling of 4728244538 in words is "four billion, seven hundred twenty-eight million, two hundred forty-four thousand, five hundred thirty-eight".