1043040566 has 4 divisors (see below), whose sum is σ = 1564560852. Its totient is φ = 521520282.

The previous prime is 1043040553. The next prime is 1043040589. The reversal of 1043040566 is 6650403401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6650403401 = 41 ⋅162204961.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260760140 + ... + 260760143.

It is an arithmetic number, because the mean of its divisors is an integer number (391140213).

Almost surely, 2^1043040566 is an apocalyptic number.

1043040566 is a deficient number, since it is larger than the sum of its proper divisors (521520286).

1043040566 is an equidigital number, since it uses as much as digits as its factorization.

1043040566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521520285.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1043040566 is about 32296.1385617538. The cubic root of 1043040566 is about 1014.1458079083.

Adding to 1043040566 its reverse (6650403401), we get a palindrome (7693443967).

The spelling of 1043040566 in words is "one billion, forty-three million, forty thousand, five hundred sixty-six".