64522053792 has 480 divisors, whose sum is σ = 231237115200. Its totient is φ = 17453947392.

The previous prime is 64522053749. The next prime is 64522053829. The reversal of 64522053792 is 29735022546.

64522053792 is a `hidden beast` number, since 6 + 4 + 5 + 2 + 20 + 537 + 92 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39413998 + ... + 39415634.

It is an arithmetic number, because the mean of its divisors is an integer number (481743990).

Almost surely, 2^64522053792 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 64522053792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115618557600).

64522053792 is an abundant number, since it is smaller than the sum of its proper divisors (166715061408).

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

64522053792 is a wasteful number, since it uses less digits than its factorization.

64522053792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 64522053792 in words is "sixty-four billion, five hundred twenty-two million, fifty-three thousand, seven hundred ninety-two".