64229883952 has 160 divisors (see below), whose sum is σ = 143735800320. Its totient is φ = 27558144000.

The previous prime is 64229883931. The next prime is 64229883997. The reversal of 64229883952 is 25938892246.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72412053 + ... + 72412939.

It is an arithmetic number, because the mean of its divisors is an integer number (898348752).

Almost surely, 2^64229883952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64229883952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71867900160).

64229883952 is an abundant number, since it is smaller than the sum of its proper divisors (79505916368).

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

64229883952 is a wasteful number, since it uses less digits than its factorization.

64229883952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1245 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The spelling of 64229883952 in words is "sixty-four billion, two hundred twenty-nine million, eight hundred eighty-three thousand, nine hundred fifty-two".