1965330000 has 400 divisors, whose sum is σ = 7321406400. Its totient is φ = 504000000.

The previous prime is 1965329969. The next prime is 1965330011. The reversal of 1965330000 is 335691.

1965330000 is a `hidden beast` number, since 1 + 9 + 653 + 3 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 7829875 + ... + 7830125.

It is an arithmetic number, because the mean of its divisors is an integer number (18303516).

Almost surely, 2^1965330000 is an apocalyptic number.

1965330000 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 1965330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3660703200).

1965330000 is an abundant number, since it is smaller than the sum of its proper divisors (5356076400).

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

1965330000 is a wasteful number, since it uses less digits than its factorization.

1965330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1965330000 is about 44332.0425877265. The cubic root of 1965330000 is about 1252.5983285420.

Adding to 1965330000 its reverse (335691), we get a palindrome (1965665691).

The spelling of 1965330000 in words is "one billion, nine hundred sixty-five million, three hundred thirty thousand".