1648020000 has 360 divisors, whose sum is σ = 5968127088. Its totient is φ = 397760000.

The previous prime is 1648019999. The next prime is 1648020019. The reversal of 1648020000 is 208461.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7259887 + ... + 7260113.

Almost surely, 2^1648020000 is an apocalyptic number.

1648020000 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 1648020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2984063544).

1648020000 is an abundant number, since it is smaller than the sum of its proper divisors (4320107088).

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

1648020000 is a wasteful number, since it uses less digits than its factorization.

1648020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1648020000 is about 40595.8125919411. The cubic root of 1648020000 is about 1181.1928949746.

Adding to 1648020000 its reverse (208461), we get a palindrome (1648228461).

The spelling of 1648020000 in words is "one billion, six hundred forty-eight million, twenty thousand".