65234243256 has 512 divisors, whose sum is σ = 220631040000. Its totient is φ = 15589324800.

The previous prime is 65234243251. The next prime is 65234243257.

65234243256 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65234243251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181710805 + ... + 181711163.

It is an arithmetic number, because the mean of its divisors is an integer number (430920000).

Almost surely, 2^65234243256 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 65234243256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110315520000).

65234243256 is an abundant number, since it is smaller than the sum of its proper divisors (155396796744).

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

65234243256 is a wasteful number, since it uses less digits than its factorization.

65234243256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 583 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The spelling of 65234243256 in words is "sixty-five billion, two hundred thirty-four million, two hundred forty-three thousand, two hundred fifty-six".