64242482668 has 24 divisors (see below), whose sum is σ = 138368424992. Its totient is φ = 25414608384.

The previous prime is 64242482659. The next prime is 64242482669. The reversal of 64242482668 is 86628424246.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (64242482669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88244805 + ... + 88245532.

Almost surely, 2^64242482668 is an apocalyptic number.

It is an amenable number.

64242482668 is an abundant number, since it is smaller than the sum of its proper divisors (74125942324).

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

64242482668 is a wasteful number, since it uses less digits than its factorization.

64242482668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176490361 (or 176490359 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 52.

The spelling of 64242482668 in words is "sixty-four billion, two hundred forty-two million, four hundred eighty-two thousand, six hundred sixty-eight".