1164333240 has 192 divisors, whose sum is σ = 4358914560. Its totient is φ = 264026880.

The previous prime is 1164333239. The next prime is 1164333241. The reversal of 1164333240 is 423334611.

1164333240 is a `hidden beast` number, since 11 + 643 + 3 + 3 + 2 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1164333239) and next prime (1164333241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164333241) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 328357 + ... + 331883.

It is an arithmetic number, because the mean of its divisors is an integer number (22702680).

Almost surely, 2^1164333240 is an apocalyptic number.

1164333240 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 1164333240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179457280).

1164333240 is an abundant number, since it is smaller than the sum of its proper divisors (3194581320).

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

1164333240 is a wasteful number, since it uses less digits than its factorization.

1164333240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1164333240 is about 34122.3275876661. The cubic root of 1164333240 is about 1052.0242853671.

Adding to 1164333240 its reverse (423334611), we get a palindrome (1587667851).

The spelling of 1164333240 in words is "one billion, one hundred sixty-four million, three hundred thirty-three thousand, two hundred forty".