202428664328 has 36 divisors (see below), whose sum is σ = 417224291085. Its totient is φ = 92006666400.

The previous prime is 202428664327. The next prime is 202428664367. The reversal of 202428664328 is 823466824202.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 145040628964 + 57388035364 = 380842^2 + 239558^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=318142.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202428664327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13991018 + ... + 14005478.

Almost surely, 2^202428664328 is an apocalyptic number.

It is an amenable number.

202428664328 is an abundant number, since it is smaller than the sum of its proper divisors (214795626757).

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

202428664328 is an frugal number, since it uses more digits than its factorization.

202428664328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28950 (or 14474 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 47.

The spelling of 202428664328 in words is "two hundred two billion, four hundred twenty-eight million, six hundred sixty-four thousand, three hundred twenty-eight".