8540558250720 has 192 divisors, whose sum is σ = 27294397320960. Its totient is φ = 2244380479488.

The previous prime is 8540558250709. The next prime is 8540558250737. The reversal of 8540558250720 is 270528550458.

It is a happy number.

It is a super-2 number, since 2×8540558250720² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41489811 + ... + 41695149.

It is an arithmetic number, because the mean of its divisors is an integer number (142158319380).

Almost surely, 2^{8540558250720} is an apocalyptic number.

8540558250720 is a gapful number since it is divisible by the number (80) 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 8540558250720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13647198660480).

8540558250720 is an abundant number, since it is smaller than the sum of its proper divisors (18753839070240).

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

8540558250720 is a wasteful number, since it uses less digits than its factorization.

8540558250720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206617 (or 206609 counting only the distinct ones).

The product of its (nonzero) digits is 4480000, while the sum is 51.

The spelling of 8540558250720 in words is "eight trillion, five hundred forty billion, five hundred fifty-eight million, two hundred fifty thousand, seven hundred twenty".