28455258439608 has 768 divisors, whose sum is σ = 105638141952000. Its totient is φ = 6254846438400.

The previous prime is 28455258439537. The next prime is 28455258439613. The reversal of 28455258439608 is 80693485255482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 98907313 + ... + 99194591.

It is an arithmetic number, because the mean of its divisors is an integer number (137549664000).

Almost surely, 2^{28455258439608} is an apocalyptic number.

28455258439608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28455258439608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52819070976000).

28455258439608 is an abundant number, since it is smaller than the sum of its proper divisors (77182883512392).

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

28455258439608 is a wasteful number, since it uses less digits than its factorization.

28455258439608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287376 (or 287365 counting only the distinct ones).

The product of its (nonzero) digits is 663552000, while the sum is 69.

The spelling of 28455258439608 in words is "twenty-eight trillion, four hundred fifty-five billion, two hundred fifty-eight million, four hundred thirty-nine thousand, six hundred eight".