1040450213 has 4 divisors (see below), whose sum is σ = 1135036608. Its totient is φ = 945863820.

The previous prime is 1040450171. The next prime is 1040450237. The reversal of 1040450213 is 3120540401.

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.

It is not a de Polignac number, because 1040450213 - 2²⁰ = 1039401637 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 (1040450263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47293181 + ... + 47293202.

It is an arithmetic number, because the mean of its divisors is an integer number (283759152).

Almost surely, 2^1040450213 is an apocalyptic number.

It is an amenable number.

1040450213 is a deficient number, since it is larger than the sum of its proper divisors (94586395).

1040450213 is an equidigital number, since it uses as much as digits as its factorization.

1040450213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94586394.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1040450213 is about 32256.0104941699. The cubic root of 1040450213 is about 1013.3055806568.

Adding to 1040450213 its reverse (3120540401), we get a palindrome (4160990614).

The spelling of 1040450213 in words is "one billion, forty million, four hundred fifty thousand, two hundred thirteen".