264020446305 has 48 divisors (see below), whose sum is σ = 570558478464. Its totient is φ = 109722781440.

The previous prime is 264020446199. The next prime is 264020446337. The reversal of 264020446305 is 503644020462.

264020446305 is a `hidden beast` number, since 2 + 640 + 2 + 0 + 4 + 4 + 6 + 3 + 0 + 5 = 666.

264020446305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264020446305 - 2¹¹ = 264020444257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264020446305.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 38094724 + ... + 38101653.

It is an arithmetic number, because the mean of its divisors is an integer number (11886634968).

Almost surely, 2^264020446305 is an apocalyptic number.

It is an amenable number.

264020446305 is an abundant number, since it is smaller than the sum of its proper divisors (306538032159).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264020446305 is a wasteful number, since it uses less digits than its factorization.

264020446305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76196406 (or 76196403 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 264020446305 its reverse (503644020462), we get a palindrome (767664466767).

The spelling of 264020446305 in words is "two hundred sixty-four billion, twenty million, four hundred forty-six thousand, three hundred five".