6398240234880 has 512 divisors, whose sum is σ = 23549634662400. Its totient is φ = 1463536189440.

The previous prime is 6398240234873. The next prime is 6398240234891. The reversal of 6398240234880 is 884320428936.

It is a happy number.

It is a super-2 number, since 2×6398240234880² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6398240234880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33425845 + ... + 33616715.

It is an arithmetic number, because the mean of its divisors is an integer number (45995380200).

Almost surely, 2^{6398240234880} is an apocalyptic number.

6398240234880 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 6398240234880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11774817331200).

6398240234880 is an abundant number, since it is smaller than the sum of its proper divisors (17151394427520).

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

6398240234880 is a wasteful number, since it uses less digits than its factorization.

6398240234880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191002 (or 190990 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 57.

The spelling of 6398240234880 in words is "six trillion, three hundred ninety-eight billion, two hundred forty million, two hundred thirty-four thousand, eight hundred eighty".