1140609330 has 256 divisors, whose sum is σ = 3820953600. Its totient is φ = 236079360.

The previous prime is 1140609313. The next prime is 1140609367. The reversal of 1140609330 is 339060411.

1140609330 is a `hidden beast` number, since 11 + 40 + 609 + 3 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1140609294 and 1140609303.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 825240 + ... + 826620.

It is an arithmetic number, because the mean of its divisors is an integer number (14925600).

Almost surely, 2^1140609330 is an apocalyptic number.

1140609330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140609330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910476800).

1140609330 is an abundant number, since it is smaller than the sum of its proper divisors (2680344270).

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

1140609330 is a wasteful number, since it uses less digits than its factorization.

1140609330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1140609330 is about 33772.9082253809. The cubic root of 1140609330 is about 1044.8300143979.

Adding to 1140609330 its reverse (339060411), we get a palindrome (1479669741).

The spelling of 1140609330 in words is "one billion, one hundred forty million, six hundred nine thousand, three hundred thirty".