6525999282240 has 448 divisors, whose sum is σ = 24568538112000. Its totient is φ = 1624996380672.

The previous prime is 6525999282239. The next prime is 6525999282247. The reversal of 6525999282240 is 422829995256.

6525999282240 is a `hidden beast` number, since 6 + 5 + 25 + 9 + 99 + 282 + 240 = 666.

It is not an unprimeable number, because it can be changed into a prime (6525999282247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18478836 + ... + 18828684.

Almost surely, 2^{6525999282240} is an apocalyptic number.

6525999282240 is a gapful number since it is divisible by the number (60) 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 6525999282240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12284269056000).

6525999282240 is an abundant number, since it is smaller than the sum of its proper divisors (18042538829760).

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

6525999282240 is a wasteful number, since it uses less digits than its factorization.

6525999282240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350019 (or 350003 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 6525999282240 in words is "six trillion, five hundred twenty-five billion, nine hundred ninety-nine million, two hundred eighty-two thousand, two hundred forty".