64240602544 has 10 divisors (see below), whose sum is σ = 124466167460. Its totient is φ = 32120301264.

The previous prime is 64240602509. The next prime is 64240602551. The reversal of 64240602544 is 44520604246.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2007518814 + ... + 2007518845.

It is an arithmetic number, because the mean of its divisors is an integer number (12446616746).

Almost surely, 2^64240602544 is an apocalyptic number.

It is an amenable number.

64240602544 is a deficient number, since it is larger than the sum of its proper divisors (60225564916).

64240602544 is a wasteful number, since it uses less digits than its factorization.

64240602544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015037667 (or 4015037661 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 64240602544 in words is "sixty-four billion, two hundred forty million, six hundred two thousand, five hundred forty-four".