2719788420 has 48 divisors (see below), whose sum is σ = 7618238208. Its totient is φ = 725007360.

The previous prime is 2719788377. The next prime is 2719788443. The reversal of 2719788420 is 248879172.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2719788420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194917 + ... + 208403.

It is an arithmetic number, because the mean of its divisors is an integer number (158713296).

Almost surely, 2^2719788420 is an apocalyptic number.

2719788420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2719788420 is an abundant number, since it is smaller than the sum of its proper divisors (4898449788).

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

2719788420 is a wasteful number, since it uses less digits than its factorization.

2719788420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16860 (or 16858 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 2719788420 is about 52151.5907715191. The cubic root of 2719788420 is about 1395.8702140955.

The spelling of 2719788420 in words is "two billion, seven hundred nineteen million, seven hundred eighty-eight thousand, four hundred twenty".