6464540422232 has 8 divisors (see below), whose sum is σ = 12121013291700. Its totient is φ = 3232270211112.

The previous prime is 6464540422187. The next prime is 6464540422261. The reversal of 6464540422232 is 2322240454646.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404033776382 + ... + 404033776397.

Almost surely, 2^{6464540422232} is an apocalyptic number.

It is an amenable number.

6464540422232 is a deficient number, since it is larger than the sum of its proper divisors (5656472869468).

6464540422232 is a wasteful number, since it uses less digits than its factorization.

6464540422232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808067552785 (or 808067552781 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 44.

Adding to 6464540422232 its reverse (2322240454646), we get a palindrome (8786780876878).

The spelling of 6464540422232 in words is "six trillion, four hundred sixty-four billion, five hundred forty million, four hundred twenty-two thousand, two hundred thirty-two".