64287228354320 has 40 divisors (see below), whose sum is σ = 151698668711424. Its totient is φ = 25331086991232.

The previous prime is 64287228354313. The next prime is 64287228354331. The reversal of 64287228354320 is 2345382278246.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996937584 + ... + 5996948303.

Almost surely, 2^{64287228354320} is an apocalyptic number.

It is an amenable number.

64287228354320 is an abundant number, since it is smaller than the sum of its proper divisors (87411440357104).

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

64287228354320 is a wasteful number, since it uses less digits than its factorization.

64287228354320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993885967 (or 11993885961 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 64287228354320 in words is "sixty-four trillion, two hundred eighty-seven billion, two hundred twenty-eight million, three hundred fifty-four thousand, three hundred twenty".