64481572488 has 32 divisors (see below), whose sum is σ = 161220886560. Its totient is φ = 21491596800.

The previous prime is 64481572483. The next prime is 64481572517. The reversal of 64481572488 is 88427518446.

It is not an unprimeable number, because it can be changed into a prime (64481572483) by changing a digit.

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, 100056 + ... + 372792.

It is an arithmetic number, because the mean of its divisors is an integer number (5038152705).

Almost surely, 2^64481572488 is an apocalyptic number.

It is an amenable number.

64481572488 is an abundant number, since it is smaller than the sum of its proper divisors (96739314072).

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

64481572488 is a wasteful number, since it uses less digits than its factorization.

64481572488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282597 (or 282593 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 57.

The spelling of 64481572488 in words is "sixty-four billion, four hundred eighty-one million, five hundred seventy-two thousand, four hundred eighty-eight".