64688442426200 has 48 divisors (see below), whose sum is σ = 150403740918000. Its totient is φ = 25874841525120.

The previous prime is 64688442426143. The next prime is 64688442426211. The reversal of 64688442426200 is 262424488646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6413606 + ... + 13057994.

It is an arithmetic number, because the mean of its divisors is an integer number (3133411269125).

Almost surely, 2^{64688442426200} is an apocalyptic number.

It is an amenable number.

64688442426200 is an abundant number, since it is smaller than the sum of its proper divisors (85715298491800).

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

64688442426200 is a wasteful number, since it uses less digits than its factorization.

64688442426200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693084 (or 6693075 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 56.

The spelling of 64688442426200 in words is "sixty-four trillion, six hundred eighty-eight billion, four hundred forty-two million, four hundred twenty-six thousand, two hundred".