264561040203 has 8 divisors (see below), whose sum is σ = 352752137616. Its totient is φ = 176371984800.

The previous prime is 264561040169. The next prime is 264561040207. The reversal of 264561040203 is 302040165462.

264561040203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 264561040203 - 2¹⁷ = 264560909131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264561040207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177088 + ... + 748653.

It is an arithmetic number, because the mean of its divisors is an integer number (44094017202).

Almost surely, 2^264561040203 is an apocalyptic number.

264561040203 is a deficient number, since it is larger than the sum of its proper divisors (88191097413).

264561040203 is an equidigital number, since it uses as much as digits as its factorization.

264561040203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021005.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 264561040203 in words is "two hundred sixty-four billion, five hundred sixty-one million, forty thousand, two hundred three".