64024560636 has 24 divisors (see below), whose sum is σ = 149397561600. Its totient is φ = 21340531632.

The previous prime is 64024560631. The next prime is 64024560697. The reversal of 64024560636 is 63606542046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64024560631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175165 + ... + 398411.

It is an arithmetic number, because the mean of its divisors is an integer number (6224898400).

Almost surely, 2^64024560636 is an apocalyptic number.

It is an amenable number.

64024560636 is an abundant number, since it is smaller than the sum of its proper divisors (85373000964).

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

64024560636 is a wasteful number, since it uses less digits than its factorization.

64024560636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247153 (or 247151 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 64024560636 in words is "sixty-four billion, twenty-four million, five hundred sixty thousand, six hundred thirty-six".