2796208128 has 450 divisors, whose sum is σ = 9943735956. Its totient is φ = 780337152.

The previous prime is 2796208117. The next prime is 2796208157. The reversal of 2796208128 is 8218026972.

2796208128 is a `hidden beast` number, since 2 + 7 + 9 + 620 + 8 + 12 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 65028075 + ... + 65028117.

Almost surely, 2^2796208128 is an apocalyptic number.

2796208128 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 2796208128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4971867978).

2796208128 is an abundant number, since it is smaller than the sum of its proper divisors (7147527828).

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

2796208128 is an frugal number, since it uses more digits than its factorization.

2796208128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2796208128 is about 52879.1842599713. The cubic root of 2796208128 is about 1408.8232100631.

The spelling of 2796208128 in words is "two billion, seven hundred ninety-six million, two hundred eight thousand, one hundred twenty-eight".