1648481360 has 20 divisors (see below), whose sum is σ = 3832719348. Its totient is φ = 659392512.

The previous prime is 1648481311. The next prime is 1648481371. The reversal of 1648481360 is 631848461.

It can be written as a sum of positive squares in 2 ways, for example, as 705008704 + 943472656 = 26552^2 + 30716^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10302929 + ... + 10303088.

Almost surely, 2^1648481360 is an apocalyptic number.

1648481360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648481360 is an abundant number, since it is smaller than the sum of its proper divisors (2184237988).

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

1648481360 is a wasteful number, since it uses less digits than its factorization.

1648481360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20606030 (or 20606024 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1648481360 is about 40601.4945537723. The cubic root of 1648481360 is about 1181.3031089099.

The spelling of 1648481360 in words is "one billion, six hundred forty-eight million, four hundred eighty-one thousand, three hundred sixty".