6483388881240 has 416 divisors, whose sum is σ = 22475539871280. Its totient is φ = 1681972501248.

The previous prime is 6483388881239. The next prime is 6483388881293. The reversal of 6483388881240 is 421888833846.

6483388881240 is a `hidden beast` number, since 6 + 4 + 8 + 3 + 388 + 8 + 8 + 1 + 240 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 103 ways as a sum of consecutive naturals, for example, 786528559 + ... + 786536801.

Almost surely, 2^{6483388881240} is an apocalyptic number.

6483388881240 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 6483388881240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11237769935640).

6483388881240 is an abundant number, since it is smaller than the sum of its proper divisors (15992150990040).

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

6483388881240 is an frugal number, since it uses more digits than its factorization.

6483388881240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 63.

The spelling of 6483388881240 in words is "six trillion, four hundred eighty-three billion, three hundred eighty-eight million, eight hundred eighty-one thousand, two hundred forty".