1040340011 has 4 divisors (see below), whose sum is σ = 1052874312. Its totient is φ = 1027805712.

The previous prime is 1040340001. The next prime is 1040340013. The reversal of 1040340011 is 1100430401.

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: 1100430401 = 7 ⋅157204343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040340011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040340013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6267026 + ... + 6267191.

It is an arithmetic number, because the mean of its divisors is an integer number (263218578).

Almost surely, 2^1040340011 is an apocalyptic number.

1040340011 is a deficient number, since it is larger than the sum of its proper divisors (12534301).

1040340011 is an equidigital number, since it uses as much as digits as its factorization.

1040340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12534300.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1040340011 is about 32254.3022091627. The cubic root of 1040340011 is about 1013.2698037585.

Adding to 1040340011 its reverse (1100430401), we get a palindrome (2140770412).

The spelling of 1040340011 in words is "one billion, forty million, three hundred forty thousand, eleven".