1065240000 has 420 divisors, whose sum is σ = 4177756440. Its totient is φ = 257280000.

The previous prime is 1065239971. The next prime is 1065240019. The reversal of 1065240000 is 425601.

It is a happy number.

1065240000 is a `hidden beast` number, since 10 + 652 + 4 + 0 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×1065240000² = 2269472515200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3959866 + ... + 3960134.

Almost surely, 2^1065240000 is an apocalyptic number.

1065240000 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 1065240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088878220).

1065240000 is an abundant number, since it is smaller than the sum of its proper divisors (3112516440).

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

1065240000 is a wasteful number, since it uses less digits than its factorization.

1065240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1065240000 is about 32638.0146455020. The cubic root of 1065240000 is about 1021.2901782325.

Adding to 1065240000 its reverse (425601), we get a palindrome (1065665601).

The spelling of 1065240000 in words is "one billion, sixty-five million, two hundred forty thousand".