2148020448 has 144 divisors (see below), whose sum is σ = 6945223824. Its totient is φ = 577597440.

The previous prime is 2148020437. The next prime is 2148020449. The reversal of 2148020448 is 8440208412.

It is a super-2 number, since 2×2148020448² = 9227983690052241408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148020449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66538 + ... + 93398.

It is an arithmetic number, because the mean of its divisors is an integer number (48230721).

Almost surely, 2^2148020448 is an apocalyptic number.

2148020448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148020448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472611912).

2148020448 is an abundant number, since it is smaller than the sum of its proper divisors (4797203376).

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

2148020448 is a wasteful number, since it uses less digits than its factorization.

2148020448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26905 (or 26890 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 2148020448 is about 46346.7415035836. The cubic root of 2148020448 is about 1290.2666451987.

The spelling of 2148020448 in words is "two billion, one hundred forty-eight million, twenty thousand, four hundred forty-eight".