64229049320 has 64 divisors (see below), whose sum is σ = 152178264000. Its totient is φ = 24330336768.

The previous prime is 64229049289. The next prime is 64229049329. The reversal of 64229049320 is 2394092246.

It is not an unprimeable number, because it can be changed into a prime (64229049329) 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 15 ways as a sum of consecutive naturals, for example, 2229971 + ... + 2258589.

It is an arithmetic number, because the mean of its divisors is an integer number (2377785375).

Almost surely, 2^64229049320 is an apocalyptic number.

It is an amenable number.

64229049320 is an abundant number, since it is smaller than the sum of its proper divisors (87949214680).

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

64229049320 is a wasteful number, since it uses less digits than its factorization.

64229049320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31602 (or 31598 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 64229049320 in words is "sixty-four billion, two hundred twenty-nine million, forty-nine thousand, three hundred twenty".