65349752832000 has 5040 divisors, whose sum is σ = 310817966501952. Its totient is φ = 13415428915200.

The previous prime is 65349752831999. The next prime is 65349752832019. The reversal of 65349752832000 is 23825794356.

65349752832000 is a `hidden beast` number, since 6 + 5 + 3 + 4 + 97 + 528 + 3 + 20 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5040).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 1766209535982 + ... + 1766209536018.

Almost surely, 2^{65349752832000} is an apocalyptic number.

65349752832000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65349752832000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155408983250976).

65349752832000 is an abundant number, since it is smaller than the sum of its proper divisors (245468213669952).

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

65349752832000 is an frugal number, since it uses more digits than its factorization.

65349752832000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 65349752832000 in words is "sixty-five trillion, three hundred forty-nine billion, seven hundred fifty-two million, eight hundred thirty-two thousand".