2796388920 has 240 divisors, whose sum is σ = 10179579960. Its totient is φ = 688207104.

The previous prime is 2796388913. The next prime is 2796388949. The reversal of 2796388920 is 298836972.

It is a happy number.

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 59 ways as a sum of consecutive naturals, for example, 545007 + ... + 550113.

Almost surely, 2^2796388920 is an apocalyptic number.

2796388920 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 2796388920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5089789980).

2796388920 is an abundant number, since it is smaller than the sum of its proper divisors (7383191040).

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

2796388920 is a wasteful number, since it uses less digits than its factorization.

2796388920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 2796388920 is about 52880.8937140816. The cubic root of 2796388920 is about 1408.8535724283.

The spelling of 2796388920 in words is "two billion, seven hundred ninety-six million, three hundred eighty-eight thousand, nine hundred twenty".