1140905260 has 48 divisors (see below), whose sum is σ = 2669345280. Its totient is φ = 406043840.

The previous prime is 1140905239. The next prime is 1140905267. The reversal of 1140905260 is 625090411.

It is not an unprimeable number, because it can be changed into a prime (1140905267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44830 + ... + 65509.

It is an arithmetic number, because the mean of its divisors is an integer number (55611360).

Almost surely, 2^1140905260 is an apocalyptic number.

1140905260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140905260 is an abundant number, since it is smaller than the sum of its proper divisors (1528440020).

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

1140905260 is a wasteful number, since it uses less digits than its factorization.

1140905260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110406 (or 110404 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1140905260 is about 33777.2891156173. The cubic root of 1140905260 is about 1044.9203666338.

Adding to 1140905260 its reverse (625090411), we get a palindrome (1765995671).

The spelling of 1140905260 in words is "one billion, one hundred forty million, nine hundred five thousand, two hundred sixty".