1140564500 has 48 divisors (see below), whose sum is σ = 2509066560. Its totient is φ = 452916000.

The previous prime is 1140564487. The next prime is 1140564511. The reversal of 1140564500 is 54650411.

It is a super-3 number, since 3×1140564500³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1140564500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61295 + ... + 77705.

It is an arithmetic number, because the mean of its divisors is an integer number (52272220).

Almost surely, 2^1140564500 is an apocalyptic number.

1140564500 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 1140564500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254533280).

1140564500 is an abundant number, since it is smaller than the sum of its proper divisors (1368502060).

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

1140564500 is a wasteful number, since it uses less digits than its factorization.

1140564500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16569 (or 16557 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1140564500 is about 33772.2445212041. The cubic root of 1140564500 is about 1044.8163257078.

The spelling of 1140564500 in words is "one billion, one hundred forty million, five hundred sixty-four thousand, five hundred".