64008820332 has 36 divisors (see below), whose sum is σ = 162227021320. Its totient is φ = 21279972672.

The previous prime is 64008820321. The next prime is 64008820333. The reversal of 64008820332 is 23302880046.

64008820332 is a `hidden beast` number, since 640 + 0 + 8 + 8 + 2 + 0 + 3 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64008820333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2332033 + ... + 2359320.

Almost surely, 2^64008820332 is an apocalyptic number.

It is an amenable number.

64008820332 is an abundant number, since it is smaller than the sum of its proper divisors (98218200988).

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

64008820332 is a wasteful number, since it uses less digits than its factorization.

64008820332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691742 (or 4691737 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 64008820332 in words is "sixty-four billion, eight million, eight hundred twenty thousand, three hundred thirty-two".