1648048896 has 144 divisors (see below), whose sum is σ = 5248746720. Its totient is φ = 507064320.

The previous prime is 1648048813. The next prime is 1648048907. The reversal of 1648048896 is 6988408461.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80686 + ... + 99026.

It is an arithmetic number, because the mean of its divisors is an integer number (36449630).

Almost surely, 2^1648048896 is an apocalyptic number.

1648048896 is a gapful number since it is divisible by the number (16) 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 1648048896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624373360).

1648048896 is an abundant number, since it is smaller than the sum of its proper divisors (3600697824).

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

1648048896 is a wasteful number, since it uses less digits than its factorization.

1648048896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18379 (or 18359 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 1648048896 is about 40596.1684891567. The cubic root of 1648048896 is about 1181.1997985216.

The spelling of 1648048896 in words is "one billion, six hundred forty-eight million, forty-eight thousand, eight hundred ninety-six".