2648620420 has 24 divisors (see below), whose sum is σ = 5624602200. Its totient is φ = 1047543552.

The previous prime is 2648620399. The next prime is 2648620531. The reversal of 2648620420 is 240268462.

It can be written as a sum of positive squares in 4 ways, for example, as 51494976 + 2597125444 = 7176^2 + 50962^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742215 + ... + 745774.

It is an arithmetic number, because the mean of its divisors is an integer number (234358425).

Almost surely, 2^2648620420 is an apocalyptic number.

2648620420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2648620420 is an abundant number, since it is smaller than the sum of its proper divisors (2975981780).

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

2648620420 is a wasteful number, since it uses less digits than its factorization.

2648620420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488087 (or 1488085 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 2648620420 is about 51464.7492950272. The cubic root of 2648620420 is about 1383.5873235019.

Adding to 2648620420 its reverse (240268462), we get a palindrome (2888888882).

The spelling of 2648620420 in words is "two billion, six hundred forty-eight million, six hundred twenty thousand, four hundred twenty".