2820648446 has 48 divisors (see below), whose sum is σ = 5470590960. Its totient is φ = 1078197120.

The previous prime is 2820648443. The next prime is 2820648451. The reversal of 2820648446 is 6448460282.

It is a junction number, because it is equal to n+sod(n) for n = 2820648397 and 2820648406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820648443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32450 + ... + 81818.

It is an arithmetic number, because the mean of its divisors is an integer number (113970645).

Almost surely, 2^2820648446 is an apocalyptic number.

2820648446 is a deficient number, since it is larger than the sum of its proper divisors (2649942514).

2820648446 is a wasteful number, since it uses less digits than its factorization.

2820648446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49449 (or 49442 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The square root of 2820648446 is about 53109.7773107740. Note that the first 3 decimals coincide. The cubic root of 2820648446 is about 1412.9159256099.

The spelling of 2820648446 in words is "two billion, eight hundred twenty million, six hundred forty-eight thousand, four hundred forty-six".