64235244632 has 32 divisors (see below), whose sum is σ = 129828024480. Its totient is φ = 29619095040.

The previous prime is 64235244539. The next prime is 64235244653. The reversal of 64235244632 is 23644253246.

It is a self number, because there is not a number n which added to its sum of digits gives 64235244632.

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 in 7 ways as a sum of consecutive naturals, for example, 179969 + ... + 401072.

It is an arithmetic number, because the mean of its divisors is an integer number (4057125765).

Almost surely, 2^64235244632 is an apocalyptic number.

It is an amenable number.

64235244632 is an abundant number, since it is smaller than the sum of its proper divisors (65592779848).

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

64235244632 is a wasteful number, since it uses less digits than its factorization.

64235244632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582123 (or 582119 counting only the distinct ones).

The product of its digits is 829440, while the sum is 41.

Adding to 64235244632 its reverse (23644253246), we get a palindrome (87879497878).

The spelling of 64235244632 in words is "sixty-four billion, two hundred thirty-five million, two hundred forty-four thousand, six hundred thirty-two".