264340411356305 has 16 divisors (see below), whose sum is σ = 317633381679744. Its totient is φ = 211189244663040.

The previous prime is 264340411356293. The next prime is 264340411356353. The reversal of 264340411356305 is 503653114043462.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-264340411356305 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264340411356305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245065 + ... + 23026745.

It is an arithmetic number, because the mean of its divisors is an integer number (19852086354984).

Almost surely, 2^{264340411356305} is an apocalyptic number.

It is an amenable number.

264340411356305 is a deficient number, since it is larger than the sum of its proper divisors (53292970323439).

264340411356305 is a wasteful number, since it uses less digits than its factorization.

264340411356305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21784936.

The product of its (nonzero) digits is 3110400, while the sum is 47.

Adding to 264340411356305 its reverse (503653114043462), we get a palindrome (767993525399767).

The spelling of 264340411356305 in words is "two hundred sixty-four trillion, three hundred forty billion, four hundred eleven million, three hundred fifty-six thousand, three hundred five".