6855198480 has 400 divisors, whose sum is σ = 26996397120. Its totient is φ = 1598247936.

The previous prime is 6855198479. The next prime is 6855198491. The reversal of 6855198480 is 848915586.

It is a happy number.

6855198480 is a `hidden beast` number, since 6 + 8 + 551 + 9 + 8 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1598419 + ... + 1602701.

Almost surely, 2^6855198480 is an apocalyptic number.

6855198480 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 6855198480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13498198560).

6855198480 is an abundant number, since it is smaller than the sum of its proper divisors (20141198640).

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

6855198480 is a wasteful number, since it uses less digits than its factorization.

6855198480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4325 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The square root of 6855198480 is about 82796.1259963291. The cubic root of 6855198480 is about 1899.6489175871.

The spelling of 6855198480 in words is "six billion, eight hundred fifty-five million, one hundred ninety-eight thousand, four hundred eighty".