1040489599 has 4 divisors (see below), whose sum is σ = 1042904160. Its totient is φ = 1038075040.

The previous prime is 1040489561. The next prime is 1040489629. The reversal of 1040489599 is 9959840401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040489599 - 2²⁷ = 906271871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040489519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1206634 + ... + 1207495.

It is an arithmetic number, because the mean of its divisors is an integer number (260726040).

Almost surely, 2^1040489599 is an apocalyptic number.

1040489599 is a deficient number, since it is larger than the sum of its proper divisors (2414561).

1040489599 is an equidigital number, since it uses as much as digits as its factorization.

1040489599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414560.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 1040489599 is about 32256.6210102670. The cubic root of 1040489599 is about 1013.3183666442.

The spelling of 1040489599 in words is "one billion, forty million, four hundred eighty-nine thousand, five hundred ninety-nine".