28459744248 has 32 divisors (see below), whose sum is σ = 76622389200. Its totient is φ = 8756844288.

The previous prime is 28459744207. The next prime is 28459744267. The reversal of 28459744248 is 84244795482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45608253 + ... + 45608876.

Almost surely, 2^28459744248 is an apocalyptic number.

It is an amenable number.

28459744248 is an abundant number, since it is smaller than the sum of its proper divisors (48162644952).

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

28459744248 is a wasteful number, since it uses less digits than its factorization.

28459744248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91217151 (or 91217147 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 57.

The spelling of 28459744248 in words is "twenty-eight billion, four hundred fifty-nine million, seven hundred forty-four thousand, two hundred forty-eight".