64534022000 has 160 divisors (see below), whose sum is σ = 178501325184. Its totient is φ = 22105344000.

The previous prime is 64534021969. The next prime is 64534022023. The reversal of 64534022000 is 22043546.

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, 29972924 + ... + 29975076.

Almost surely, 2^64534022000 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 64534022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89250662592).

64534022000 is an abundant number, since it is smaller than the sum of its proper divisors (113967303184).

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

64534022000 is a wasteful number, since it uses less digits than its factorization.

64534022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 64534022000 its reverse (22043546), we get a palindrome (64556065546).

The spelling of 64534022000 in words is "sixty-four billion, five hundred thirty-four million, twenty-two thousand".