802044561 has 16 divisors (see below), whose sum is σ = 1109908800. Its totient is φ = 514559808.

The previous prime is 802044527. The next prime is 802044589. The reversal of 802044561 is 165440208.

It is not a de Polignac number, because 802044561 - 2⁷ = 802044433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (802044361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11695 + ... + 41723.

It is an arithmetic number, because the mean of its divisors is an integer number (69369300).

Almost surely, 2^802044561 is an apocalyptic number.

It is an amenable number.

802044561 is a deficient number, since it is larger than the sum of its proper divisors (307864239).

802044561 is a wasteful number, since it uses less digits than its factorization.

802044561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30368.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 802044561 is about 28320.3912578905. The cubic root of 802044561 is about 929.1079282577.

Adding to 802044561 its reverse (165440208), we get a palindrome (967484769).

The spelling of 802044561 in words is "eight hundred two million, forty-four thousand, five hundred sixty-one".