64042206220 has 48 divisors (see below), whose sum is σ = 138882981888. Its totient is φ = 24780530880.

The previous prime is 64042206197. The next prime is 64042206299. The reversal of 64042206220 is 2260224046.

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, 1621629 + ... + 1660651.

It is an arithmetic number, because the mean of its divisors is an integer number (2893395456).

Almost surely, 2^64042206220 is an apocalyptic number.

It is an amenable number.

64042206220 is an abundant number, since it is smaller than the sum of its proper divisors (74840775668).

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

64042206220 is a wasteful number, since it uses less digits than its factorization.

64042206220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41710 (or 41708 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 64042206220 in words is "sixty-four billion, forty-two million, two hundred six thousand, two hundred twenty".