53243440145280 has 2048 divisors, whose sum is σ = 239209567027200. Its totient is φ = 10871304192000.

The previous prime is 53243440145261. The next prime is 53243440145323. The reversal of 53243440145280 is 8254104434235.

53243440145280 is a `hidden beast` number, since 5 + 3 + 2 + 43 + 440 + 145 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 35237219725 + ... + 35237221235.

It is an arithmetic number, because the mean of its divisors is an integer number (116801546400).

Almost surely, 2^{53243440145280} 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 53243440145280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119604783513600).

53243440145280 is an abundant number, since it is smaller than the sum of its proper divisors (185966126881920).

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

53243440145280 is a wasteful number, since it uses less digits than its factorization.

53243440145280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 53243440145280 in words is "fifty-three trillion, two hundred forty-three billion, four hundred forty million, one hundred forty-five thousand, two hundred eighty".