53242241640 has 384 divisors, whose sum is σ = 188807967360. Its totient is φ = 11974803456.

The previous prime is 53242241629. The next prime is 53242241683. The reversal of 53242241640 is 4614224235.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 150827704 + ... + 150828056.

It is an arithmetic number, because the mean of its divisors is an integer number (491687415).

Almost surely, 2^53242241640 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 53242241640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94403983680).

53242241640 is an abundant number, since it is smaller than the sum of its proper divisors (135565725720).

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

53242241640 is a wasteful number, since it uses less digits than its factorization.

53242241640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 53242241640 its reverse (4614224235), we get a palindrome (57856465875).

The spelling of 53242241640 in words is "fifty-three billion, two hundred forty-two million, two hundred forty-one thousand, six hundred forty".