6405345135460 has 12 divisors (see below), whose sum is σ = 13451224784508. Its totient is φ = 2562138054176.

The previous prime is 6405345135373. The next prime is 6405345135461. The reversal of 6405345135460 is 645315435046.

It can be written as a sum of positive squares in 2 ways, for example, as 5035078234404 + 1370266901056 = 2243898^2 + 1170584^2 .

It is a super-2 number, since 2×6405345135460² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6405345135460.

It is not an unprimeable number, because it can be changed into a prime (6405345135461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160133628367 + ... + 160133628406.

It is an arithmetic number, because the mean of its divisors is an integer number (1120935398709).

Almost surely, 2^{6405345135460} is an apocalyptic number.

It is an amenable number.

6405345135460 is an abundant number, since it is smaller than the sum of its proper divisors (7045879649048).

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

6405345135460 is a wasteful number, since it uses less digits than its factorization.

6405345135460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320267256782 (or 320267256780 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 6405345135460 in words is "six trillion, four hundred five billion, three hundred forty-five million, one hundred thirty-five thousand, four hundred sixty".