28338025248 has 72 divisors (see below), whose sum is σ = 86785213788. Its totient is φ = 8719391232.

The previous prime is 28338025231. The next prime is 28338025259. The reversal of 28338025248 is 84252083382.

It is a happy number.

28338025248 is a `hidden beast` number, since 2 + 8 + 3 + 380 + 25 + 248 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28308735504 + 29289744 = 168252^2 + 5412^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3780715 + ... + 3788202.

Almost surely, 2^28338025248 is an apocalyptic number.

It is an amenable number.

28338025248 is an abundant number, since it is smaller than the sum of its proper divisors (58447188540).

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

28338025248 is a wasteful number, since it uses less digits than its factorization.

28338025248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568946 (or 7568935 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 28338025248 in words is "twenty-eight billion, three hundred thirty-eight million, twenty-five thousand, two hundred forty-eight".