64002248420 has 48 divisors (see below), whose sum is σ = 146715722496. Its totient is φ = 23258880000.

The previous prime is 64002248411. The next prime is 64002248473. The reversal of 64002248420 is 2484220046.

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, 261365 + ... + 443075.

It is an arithmetic number, because the mean of its divisors is an integer number (3056577552).

Almost surely, 2^64002248420 is an apocalyptic number.

It is an amenable number.

64002248420 is an abundant number, since it is smaller than the sum of its proper divisors (82713474076).

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

64002248420 is a wasteful number, since it uses less digits than its factorization.

64002248420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183332 (or 183330 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 64002248420 its reverse (2484220046), we get a palindrome (66486468466).

The spelling of 64002248420 in words is "sixty-four billion, two million, two hundred forty-eight thousand, four hundred twenty".