1026238433605 has 16 divisors (see below), whose sum is σ = 1535359319424. Its totient is φ = 639733049280.

The previous prime is 1026238433593. The next prime is 1026238433669. The reversal of 1026238433605 is 5063348326201.

It is not a de Polignac number, because 1026238433605 - 2⁵ = 1026238433573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332776802 + ... + 1332777571.

It is an arithmetic number, because the mean of its divisors is an integer number (95959957464).

Almost surely, 2^{1026238433605} is an apocalyptic number.

It is an amenable number.

1026238433605 is a deficient number, since it is larger than the sum of its proper divisors (509120885819).

1026238433605 is a wasteful number, since it uses less digits than its factorization.

1026238433605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665554396.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 1026238433605 in words is "one trillion, twenty-six billion, two hundred thirty-eight million, four hundred thirty-three thousand, six hundred five".