64040424216 has 64 divisors (see below), whose sum is σ = 165319219200. Its totient is φ = 20651500800.

The previous prime is 64040424169. The next prime is 64040424229. The reversal of 64040424216 is 61242404046.

64040424216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2613381 + ... + 2637771.

It is an arithmetic number, because the mean of its divisors is an integer number (2583112800).

Almost surely, 2^64040424216 is an apocalyptic number.

It is an amenable number.

64040424216 is an abundant number, since it is smaller than the sum of its proper divisors (101278794984).

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

64040424216 is a wasteful number, since it uses less digits than its factorization.

64040424216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27960 (or 27956 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 64040424216 in words is "sixty-four billion, forty million, four hundred twenty-four thousand, two hundred sixteen".