1140434320 has 40 divisors (see below), whose sum is σ = 2707933824. Its totient is φ = 446466432.

The previous prime is 1140434291. The next prime is 1140434327. The reversal of 1140434320 is 234340411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1140434291 and 1140434300.

It is not an unprimeable number, because it can be changed into a prime (1140434327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147894 + ... + 155413.

Almost surely, 2^1140434320 is an apocalyptic number.

1140434320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140434320 is an abundant number, since it is smaller than the sum of its proper divisors (1567499504).

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

1140434320 is a wasteful number, since it uses less digits than its factorization.

1140434320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303367 (or 303361 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1140434320 is about 33770.3171439061. The cubic root of 1140434320 is about 1044.7765736481.

Adding to 1140434320 its reverse (234340411), we get a palindrome (1374774731).

The spelling of 1140434320 in words is "one billion, one hundred forty million, four hundred thirty-four thousand, three hundred twenty".