9869573226240 has 2592 divisors, whose sum is σ = 44867780717760. Its totient is φ = 2058752360448.

The previous prime is 9869573226211. The next prime is 9869573226259. The reversal of 9869573226240 is 426223759689.

It is a happy number.

9869573226240 is a `hidden beast` number, since 9 + 8 + 69 + 5 + 7 + 322 + 6 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (2592).

It is a super-2 number, since 2×9869573226240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 21596440092 + ... + 21596440548.

Almost surely, 2^{9869573226240} is an apocalyptic number.

9869573226240 is a gapful number since it is divisible by the number (90) 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 9869573226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22433890358880).

9869573226240 is an abundant number, since it is smaller than the sum of its proper divisors (34998207491520).

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

9869573226240 is a wasteful number, since it uses less digits than its factorization.

9869573226240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 9869573226240 in words is "nine trillion, eight hundred sixty-nine billion, five hundred seventy-three million, two hundred twenty-six thousand, two hundred forty".