464140964665 has 32 divisors (see below), whose sum is σ = 649843833600. Its totient is φ = 318112704000.

The previous prime is 464140964663. The next prime is 464140964681. The reversal of 464140964665 is 566469041464.

It is not a de Polignac number, because 464140964665 - 2¹ = 464140964663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464140964663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3503890 + ... + 3633940.

It is an arithmetic number, because the mean of its divisors is an integer number (20307619800).

Almost surely, 2^464140964665 is an apocalyptic number.

It is an amenable number.

464140964665 is a deficient number, since it is larger than the sum of its proper divisors (185702868935).

464140964665 is a wasteful number, since it uses less digits than its factorization.

464140964665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132158 (or 132144 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 55.

It can be divided in two parts, 4641409 and 64665, that added together give a palindrome (4706074).

The spelling of 464140964665 in words is "four hundred sixty-four billion, one hundred forty million, nine hundred sixty-four thousand, six hundred sixty-five".