6830536020840 has 384 divisors, whose sum is σ = 27729500497920. Its totient is φ = 1422025113600.

The previous prime is 6830536020811. The next prime is 6830536020881. The reversal of 6830536020840 is 480206350386.

It is a happy number.

6830536020840 is a `hidden beast` number, since 6 + 8 + 30 + 5 + 3 + 602 + 0 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1243621 + ... + 3899700.

It is an arithmetic number, because the mean of its divisors is an integer number (72212240880).

Almost surely, 2^{6830536020840} is an apocalyptic number.

6830536020840 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 6830536020840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13864750248960).

6830536020840 is an abundant number, since it is smaller than the sum of its proper divisors (20898964477080).

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

6830536020840 is a wasteful number, since it uses less digits than its factorization.

6830536020840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143393 (or 5143386 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 6830536020840 in words is "six trillion, eight hundred thirty billion, five hundred thirty-six million, twenty thousand, eight hundred forty".