2798526720 has 432 divisors, whose sum is σ = 10373872320. Its totient is φ = 640696320.

The previous prime is 2798526697. The next prime is 2798526821. The reversal of 2798526720 is 276258972.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2798526720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8828002 + ... + 8828318.

Almost surely, 2^2798526720 is an apocalyptic number.

2798526720 is a gapful number since it is divisible by the number (20) 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 2798526720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5186936160).

2798526720 is an abundant number, since it is smaller than the sum of its proper divisors (7575345600).

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

2798526720 is a wasteful number, since it uses less digits than its factorization.

2798526720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 2798526720 is about 52901.1032021072. The cubic root of 2798526720 is about 1409.2124972267.

The spelling of 2798526720 in words is "two billion, seven hundred ninety-eight million, five hundred twenty-six thousand, seven hundred twenty".