1040790709 has 4 divisors (see below), whose sum is σ = 1189475104. Its totient is φ = 892106316.

The previous prime is 1040790691. The next prime is 1040790713. The reversal of 1040790709 is 9070970401.

1040790709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9070970401 = 5023 ⋅1805887.

It is a cyclic number.

It is not a de Polignac number, because 1040790709 - 2⁷ = 1040790581 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 (1040790719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74342187 + ... + 74342200.

It is an arithmetic number, because the mean of its divisors is an integer number (297368776).

Almost surely, 2^1040790709 is an apocalyptic number.

It is an amenable number.

1040790709 is a deficient number, since it is larger than the sum of its proper divisors (148684395).

1040790709 is an equidigital number, since it uses as much as digits as its factorization.

1040790709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148684394.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 1040790709 is about 32261.2880864977. The cubic root of 1040790709 is about 1013.4161061652.

The spelling of 1040790709 in words is "one billion, forty million, seven hundred ninety thousand, seven hundred nine".