1140344000 has 56 divisors (see below), whose sum is σ = 2824081728. Its totient is φ = 456134400.

The previous prime is 1140343973. The next prime is 1140344017. The reversal of 1140344000 is 4430411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140344000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63272 + ... + 79271.

Almost surely, 2^1140344000 is an apocalyptic number.

1140344000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140344000 is an abundant number, since it is smaller than the sum of its proper divisors (1683737728).

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

1140344000 is an equidigital number, since it uses as much as digits as its factorization.

1140344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142570 (or 142550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1140344000 is about 33768.9798483756. The cubic root of 1140344000 is about 1044.7489915507.

Adding to 1140344000 its reverse (4430411), we get a palindrome (1144774411).

The spelling of 1140344000 in words is "one billion, one hundred forty million, three hundred forty-four thousand".