64652423000 has 128 divisors (see below), whose sum is σ = 166676927040. Its totient is φ = 23276800000.

The previous prime is 64652422993. The next prime is 64652423027. The reversal of 64652423000 is 32425646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1081904 + ... + 1140096.

Almost surely, 2^64652423000 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 64652423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83338463520).

64652423000 is an abundant number, since it is smaller than the sum of its proper divisors (102024504040).

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

64652423000 is a wasteful number, since it uses less digits than its factorization.

64652423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58326 (or 58312 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 64652423000 its reverse (32425646), we get a palindrome (64684848646).

The spelling of 64652423000 in words is "sixty-four billion, six hundred fifty-two million, four hundred twenty-three thousand".