64324470112 has 72 divisors (see below), whose sum is σ = 147515464656. Its totient is φ = 27530028288.

The previous prime is 64324470073. The next prime is 64324470127. The reversal of 64324470112 is 21107442346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1137418 + ... + 1192630.

It is an arithmetic number, because the mean of its divisors is an integer number (2048825898).

Almost surely, 2^64324470112 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 64324470112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73757732328).

64324470112 is an abundant number, since it is smaller than the sum of its proper divisors (83190994544).

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

64324470112 is a wasteful number, since it uses less digits than its factorization.

64324470112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55980 (or 55965 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 64324470112 in words is "sixty-four billion, three hundred twenty-four million, four hundred seventy thousand, one hundred twelve".