468820561 has 16 divisors (see below), whose sum is σ = 516172608. Its totient is φ = 422280000.

The previous prime is 468820559. The next prime is 468820591. The reversal of 468820561 is 165028864.

It is the 8840-th star number.

It is a cyclic number.

It is not a de Polignac number, because 468820561 - 2¹ = 468820559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468820531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764491 + ... + 765103.

It is an arithmetic number, because the mean of its divisors is an integer number (32260788).

Almost surely, 2^468820561 is an apocalyptic number.

It is an amenable number.

468820561 is a deficient number, since it is larger than the sum of its proper divisors (47352047).

468820561 is a wasteful number, since it uses less digits than its factorization.

468820561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 468820561 is about 21652.2645697858. The cubic root of 468820561 is about 776.8471022098.

The spelling of 468820561 in words is "four hundred sixty-eight million, eight hundred twenty thousand, five hundred sixty-one".