8573552994240 has 672 divisors, whose sum is σ = 34446229848576. Its totient is φ = 1937819566080.

The previous prime is 8573552994229. The next prime is 8573552994277. The reversal of 8573552994240 is 424992553758.

8573552994240 is a `hidden beast` number, since 8 + 5 + 73 + 5 + 52 + 99 + 424 + 0 = 666.

It is a congruent number.

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, 25931409 + ... + 26259951.

It is an arithmetic number, because the mean of its divisors is an integer number (51259270608).

Almost surely, 2^{8573552994240} is an apocalyptic number.

8573552994240 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 8573552994240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17223114924288).

8573552994240 is an abundant number, since it is smaller than the sum of its proper divisors (25872676854336).

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

8573552994240 is a wasteful number, since it uses less digits than its factorization.

8573552994240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328637 (or 328624 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 8573552994240 in words is "eight trillion, five hundred seventy-three billion, five hundred fifty-two million, nine hundred ninety-four thousand, two hundred forty".