65418242430 has 128 divisors (see below), whose sum is σ = 167364403200. Its totient is φ = 16329002624.

The previous prime is 65418242423. The next prime is 65418242431. The reversal of 65418242430 is 3424281456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65418242431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9237631 + ... + 9244709.

It is an arithmetic number, because the mean of its divisors is an integer number (1307534400).

Almost surely, 2^65418242430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65418242430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83682201600).

65418242430 is an abundant number, since it is smaller than the sum of its proper divisors (101946160770).

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

65418242430 is a wasteful number, since it uses less digits than its factorization.

65418242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 65418242430 in words is "sixty-five billion, four hundred eighteen million, two hundred forty-two thousand, four hundred thirty".