1648648848 has 320 divisors, whose sum is σ = 5922478080. Its totient is φ = 381542400.

The previous prime is 1648648847. The next prime is 1648648861. The reversal of 1648648848 is 8488468461.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1648648847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1193118 + ... + 1194498.

It is an arithmetic number, because the mean of its divisors is an integer number (18507744).

Almost surely, 2^1648648848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1648648848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2961239040).

1648648848 is an abundant number, since it is smaller than the sum of its proper divisors (4273829232).

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

1648648848 is a wasteful number, since it uses less digits than its factorization.

1648648848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1440 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 57.

The square root of 1648648848 is about 40603.5570855559. The cubic root of 1648648848 is about 1181.3431149016.

The spelling of 1648648848 in words is "one billion, six hundred forty-eight million, six hundred forty-eight thousand, eight hundred forty-eight".