2796471220 has 12 divisors (see below), whose sum is σ = 5872589604. Its totient is φ = 1118588480.

The previous prime is 2796471217. The next prime is 2796471233. The reversal of 2796471220 is 221746972.

It can be written as a sum of positive squares in 2 ways, for example, as 1152330916 + 1644140304 = 33946^2 + 40548^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69911761 + ... + 69911800.

It is an arithmetic number, because the mean of its divisors is an integer number (489382467).

Almost surely, 2^2796471220 is an apocalyptic number.

2796471220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2796471220 is an abundant number, since it is smaller than the sum of its proper divisors (3076118384).

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

2796471220 is a wasteful number, since it uses less digits than its factorization.

2796471220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139823570 (or 139823568 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2796471220 is about 52881.6718722092. The cubic root of 2796471220 is about 1408.8673935281.

The spelling of 2796471220 in words is "two billion, seven hundred ninety-six million, four hundred seventy-one thousand, two hundred twenty".