1140330240 has 432 divisors, whose sum is σ = 4591641600. Its totient is φ = 255909888.

The previous prime is 1140330223. The next prime is 1140330259. The reversal of 1140330240 is 420330411.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6370471 + ... + 6370649.

It is an arithmetic number, because the mean of its divisors is an integer number (10628800).

Almost surely, 2^1140330240 is an apocalyptic number.

1140330240 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 1140330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295820800).

1140330240 is an abundant number, since it is smaller than the sum of its proper divisors (3451311360).

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

1140330240 is a wasteful number, since it uses less digits than its factorization.

1140330240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1140330240 is about 33768.7761104841. The cubic root of 1140330240 is about 1044.7447893673.

Adding to 1140330240 its reverse (420330411), we get a palindrome (1560660651).

The spelling of 1140330240 in words is "one billion, one hundred forty million, three hundred thirty thousand, two hundred forty".