264340225106465 has 16 divisors (see below), whose sum is σ = 328218654847680. Its totient is φ = 204135131094720.

The previous prime is 264340225106443. The next prime is 264340225106479. The reversal of 264340225106465 is 564601522043462.

It is not a de Polignac number, because 264340225106465 - 2¹⁰ = 264340225105441 is a prime.

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, 199806491 + ... + 201125120.

It is an arithmetic number, because the mean of its divisors is an integer number (20513665927980).

Almost surely, 2^{264340225106465} is an apocalyptic number.

It is an amenable number.

264340225106465 is a deficient number, since it is larger than the sum of its proper divisors (63878429741215).

264340225106465 is a wasteful number, since it uses less digits than its factorization.

264340225106465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400936192.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 264340225106465 in words is "two hundred sixty-four trillion, three hundred forty billion, two hundred twenty-five million, one hundred six thousand, four hundred sixty-five".