28241120436 has 48 divisors (see below), whose sum is σ = 66526271616. Its totient is φ = 9324042624.

The previous prime is 28241120419. The next prime is 28241120447. The reversal of 28241120436 is 63402114282.

It is a junction number, because it is equal to n+sod(n) for n = 28241120397 and 28241120406.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 573585 + ... + 620871.

It is an arithmetic number, because the mean of its divisors is an integer number (1385963992).

Almost surely, 2^28241120436 is an apocalyptic number.

It is an amenable number.

28241120436 is an abundant number, since it is smaller than the sum of its proper divisors (38285151180).

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

28241120436 is a wasteful number, since it uses less digits than its factorization.

28241120436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47768 (or 47766 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 28241120436 in words is "twenty-eight billion, two hundred forty-one million, one hundred twenty thousand, four hundred thirty-six".