1140323072 has 144 divisors (see below), whose sum is σ = 2758909440. Its totient is φ = 459841536.

The previous prime is 1140323053. The next prime is 1140323087. The reversal of 1140323072 is 2703230411.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 3008579 + ... + 3008957.

Almost surely, 2^1140323072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140323072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379454720).

1140323072 is an abundant number, since it is smaller than the sum of its proper divisors (1618586368).

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

1140323072 is an equidigital number, since it uses as much as digits as its factorization.

1140323072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1140323072 is about 33768.6699767699. The cubic root of 1140323072 is about 1044.7426003095.

Adding to 1140323072 its reverse (2703230411), we get a palindrome (3843553483).

The spelling of 1140323072 in words is "one billion, one hundred forty million, three hundred twenty-three thousand, seventy-two".