64326128 has 40 divisors (see below), whose sum is σ = 128892048. Its totient is φ = 31076352.

The previous prime is 64326121. The next prime is 64326139. The reversal of 64326128 is 82162346.

It is a junction number, because it is equal to n+sod(n) for n = 64326094 and 64326103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64326121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113975 + ... + 114537.

Almost surely, 2^64326128 is an apocalyptic number.

It is an amenable number.

64326128 is an abundant number, since it is smaller than the sum of its proper divisors (64565920).

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

64326128 is a wasteful number, since it uses less digits than its factorization.

64326128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 795 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 64326128 is about 8020.3570992818. The cubic root of 64326128 is about 400.6782825153.

The spelling of 64326128 in words is "sixty-four million, three hundred twenty-six thousand, one hundred twenty-eight".