1026340445 has 8 divisors (see below), whose sum is σ = 1326347736. Its totient is φ = 757912896.

The previous prime is 1026340379. The next prime is 1026340451. The reversal of 1026340445 is 5440436201.

It can be written as a sum of positive squares in 4 ways, for example, as 996004 + 1025344441 = 998^2 + 32021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1026340445 - 2¹⁰ = 1026339421 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 7894862 + ... + 7894991.

It is an arithmetic number, because the mean of its divisors is an integer number (165793467).

Almost surely, 2^1026340445 is an apocalyptic number.

It is an amenable number.

1026340445 is a deficient number, since it is larger than the sum of its proper divisors (300007291).

1026340445 is a wasteful number, since it uses less digits than its factorization.

1026340445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789871.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1026340445 is about 32036.5485812689. The cubic root of 1026340445 is about 1008.7041660109.

Adding to 1026340445 its reverse (5440436201), we get a palindrome (6466776646).

The spelling of 1026340445 in words is "one billion, twenty-six million, three hundred forty thousand, four hundred forty-five".