64006470560 has 24 divisors (see below), whose sum is σ = 151215287076. Its totient is φ = 25602588160.

The previous prime is 64006470511. The next prime is 64006470569. The reversal of 64006470560 is 6507460046.

It can be written as a sum of positive squares in 2 ways, for example, as 62994976144 + 1011494416 = 250988^2 + 31804^2 .

It is not an unprimeable number, because it can be changed into a prime (64006470569) 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 3 ways as a sum of consecutive naturals, for example, 200020061 + ... + 200020380.

Almost surely, 2^64006470560 is an apocalyptic number.

It is an amenable number.

64006470560 is an abundant number, since it is smaller than the sum of its proper divisors (87208816516).

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

64006470560 is a wasteful number, since it uses less digits than its factorization.

64006470560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400040456 (or 400040448 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 64006470560 in words is "sixty-four billion, six million, four hundred seventy thousand, five hundred sixty".