264561040202 has 32 divisors (see below), whose sum is σ = 403872998400. Its totient is φ = 129961199088.

The previous prime is 264561040169. The next prime is 264561040207. The reversal of 264561040202 is 202040165462.

It is not an unprimeable number, because it can be changed into a prime (264561040207) 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, 14508863 + ... + 14527085.

It is an arithmetic number, because the mean of its divisors is an integer number (12621031200).

Almost surely, 2^264561040202 is an apocalyptic number.

264561040202 is a deficient number, since it is larger than the sum of its proper divisors (139311958198).

264561040202 is a wasteful number, since it uses less digits than its factorization.

264561040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 264561040202 in words is "two hundred sixty-four billion, five hundred sixty-one million, forty thousand, two hundred two".