1648467320 has 64 divisors (see below), whose sum is σ = 3829019040. Its totient is φ = 638310400.

The previous prime is 1648467299. The next prime is 1648467323. The reversal of 1648467320 is 237648461.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648467323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211004 + ... + 218676.

Almost surely, 2^1648467320 is an apocalyptic number.

1648467320 is a gapful number since it is divisible by the number (10) 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 1648467320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914509520).

1648467320 is an abundant number, since it is smaller than the sum of its proper divisors (2180551720).

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

1648467320 is a wasteful number, since it uses less digits than its factorization.

1648467320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856 (or 7852 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 1648467320 is about 40601.3216533649. The cubic root of 1648467320 is about 1181.2997552085.

The spelling of 1648467320 in words is "one billion, six hundred forty-eight million, four hundred sixty-seven thousand, three hundred twenty".