64450345120 has 96 divisors (see below), whose sum is σ = 176399935488. Its totient is φ = 21794531328.

The previous prime is 64450345067. The next prime is 64450345147. The reversal of 64450345120 is 2154305446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312384 + ... + 475903.

It is an arithmetic number, because the mean of its divisors is an integer number (1837499328).

Almost surely, 2^64450345120 is an apocalyptic number.

It is an amenable number.

64450345120 is an abundant number, since it is smaller than the sum of its proper divisors (111949590368).

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

64450345120 is a wasteful number, since it uses less digits than its factorization.

64450345120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788382 (or 788374 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 64450345120 in words is "sixty-four billion, four hundred fifty million, three hundred forty-five thousand, one hundred twenty".