1140340466 has 16 divisors (see below), whose sum is σ = 1739893848. Its totient is φ = 560390400.

The previous prime is 1140340457. The next prime is 1140340477. The reversal of 1140340466 is 6640430411.

It can be written as a sum of positive squares in 4 ways, for example, as 476505241 + 663835225 = 21829^2 + 25765^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203786 + ... + 209306.

Almost surely, 2^1140340466 is an apocalyptic number.

1140340466 is a deficient number, since it is larger than the sum of its proper divisors (599553382).

1140340466 is a wasteful number, since it uses less digits than its factorization.

1140340466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1140340466 is about 33768.9275222060. The cubic root of 1140340466 is about 1044.7479123013.

Adding to 1140340466 its reverse (6640430411), we get a palindrome (7780770877).

The spelling of 1140340466 in words is "one billion, one hundred forty million, three hundred forty thousand, four hundred sixty-six".