28245526848 has 672 divisors, whose sum is σ = 106154280960. Its totient is φ = 7233546240.

The previous prime is 28245526817. The next prime is 28245526853. The reversal of 28245526848 is 84862554282.

28245526848 is a `hidden beast` number, since 2 + 8 + 2 + 4 + 552 + 6 + 84 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28245526794 and 28245526803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 123342798 + ... + 123343026.

It is an arithmetic number, because the mean of its divisors is an integer number (157967680).

Almost surely, 2^28245526848 is an apocalyptic number.

28245526848 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 28245526848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53077140480).

28245526848 is an abundant number, since it is smaller than the sum of its proper divisors (77908754112).

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

28245526848 is a wasteful number, since it uses less digits than its factorization.

28245526848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 355 counting only the distinct ones).

The product of its digits is 9830400, while the sum is 54.

The spelling of 28245526848 in words is "twenty-eight billion, two hundred forty-five million, five hundred twenty-six thousand, eight hundred forty-eight".