2048721856 has 28 divisors (see below), whose sum is σ = 4068028440. Its totient is φ = 1023706880.

The previous prime is 2048721853. The next prime is 2048721863. The reversal of 2048721856 is 6581278402.

It is a happy number.

It is a super-2 number, since 2×2048721856² = 8394522486504169472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2048721853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 100011 + ... + 118741.

It is an arithmetic number, because the mean of its divisors is an integer number (145286730).

Almost surely, 2^2048721856 is an apocalyptic number.

It is an amenable number.

2048721856 is a deficient number, since it is larger than the sum of its proper divisors (2019306584).

2048721856 is a wasteful number, since it uses less digits than its factorization.

2048721856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452 (or 20442 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 2048721856 is about 45262.8087506730. The cubic root of 2048721856 is about 1270.0700265188.

The spelling of 2048721856 in words is "two billion, forty-eight million, seven hundred twenty-one thousand, eight hundred fifty-six".