2798737920 has 480 divisors, whose sum is σ = 10992421440. Its totient is φ = 676823040.

The previous prime is 2798737913. The next prime is 2798737951. The reversal of 2798737920 is 297378972.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6842676 + ... + 6843084.

It is an arithmetic number, because the mean of its divisors is an integer number (22900878).

Almost surely, 2^2798737920 is an apocalyptic number.

2798737920 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 2798737920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5496210720).

2798737920 is an abundant number, since it is smaller than the sum of its proper divisors (8193683520).

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

2798737920 is an equidigital number, since it uses as much as digits as its factorization.

2798737920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 2798737920 is about 52903.0993420990. The cubic root of 2798737920 is about 1409.2479466163.

The spelling of 2798737920 in words is "two billion, seven hundred ninety-eight million, seven hundred thirty-seven thousand, nine hundred twenty".