2798433648 has 120 divisors (see below), whose sum is σ = 8578580400. Its totient is φ = 847644672.

The previous prime is 2798433637. The next prime is 2798433653. The reversal of 2798433648 is 8463348972.

2798433648 is a `hidden beast` number, since 279 + 8 + 4 + 3 + 364 + 8 = 666.

2798433648 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2798433594 and 2798433603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51283 + ... + 90701.

It is an arithmetic number, because the mean of its divisors is an integer number (71488170).

Almost surely, 2^2798433648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798433648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289290200).

2798433648 is an abundant number, since it is smaller than the sum of its proper divisors (5780146752).

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

2798433648 is a wasteful number, since it uses less digits than its factorization.

2798433648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39479 (or 39470 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 2798433648 is about 52900.2235155958. The cubic root of 2798433648 is about 1409.1968747590.

The spelling of 2798433648 in words is "two billion, seven hundred ninety-eight million, four hundred thirty-three thousand, six hundred forty-eight".