2798274528 has 144 divisors (see below), whose sum is σ = 9629474400. Its totient is φ = 752467968.

The previous prime is 2798274473. The next prime is 2798274581. The reversal of 2798274528 is 8254728972.

2798274528 is a `hidden beast` number, since 2 + 7 + 98 + 27 + 4 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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, 6553 + ... + 75096.

It is an arithmetic number, because the mean of its divisors is an integer number (66871350).

Almost surely, 2^2798274528 is an apocalyptic number.

2798274528 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 2798274528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4814737200).

2798274528 is an abundant number, since it is smaller than the sum of its proper divisors (6831199872).

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

2798274528 is a wasteful number, since it uses less digits than its factorization.

2798274528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81689 (or 81678 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 2798274528 is about 52898.7195308166. The cubic root of 2798274528 is about 1409.1701650963.

The spelling of 2798274528 in words is "two billion, seven hundred ninety-eight million, two hundred seventy-four thousand, five hundred twenty-eight".