28482828644 has 48 divisors (see below), whose sum is σ = 51840262656. Its totient is φ = 13678540800.

The previous prime is 28482828643. The next prime is 28482828659. The reversal of 28482828644 is 44682828482.

It is a super-2 number, since 2×28482828644² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28482828644.

It is not an unprimeable number, because it can be changed into a prime (28482828643) 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, 23403524 + ... + 23404740.

It is an arithmetic number, because the mean of its divisors is an integer number (1080005472).

Almost surely, 2^28482828644 is an apocalyptic number.

It is an amenable number.

28482828644 is a deficient number, since it is larger than the sum of its proper divisors (23357434012).

28482828644 is a wasteful number, since it uses less digits than its factorization.

28482828644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its digits is 12582912, while the sum is 56.

The spelling of 28482828644 in words is "twenty-eight billion, four hundred eighty-two million, eight hundred twenty-eight thousand, six hundred forty-four".