64022728352 has 96 divisors (see below), whose sum is σ = 143271374400. Its totient is φ = 27894988800.

The previous prime is 64022728349. The next prime is 64022728519. The reversal of 64022728352 is 25382722046.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 1396352 + ... + 1441472.

It is an arithmetic number, because the mean of its divisors is an integer number (1492410150).

Almost surely, 2^64022728352 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 64022728352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71635687200).

64022728352 is an abundant number, since it is smaller than the sum of its proper divisors (79248646048).

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

64022728352 is a wasteful number, since it uses less digits than its factorization.

64022728352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45310 (or 45302 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 64022728352 in words is "sixty-four billion, twenty-two million, seven hundred twenty-eight thousand, three hundred fifty-two".