6230021840 has 80 divisors (see below), whose sum is σ = 16653434112. Its totient is φ = 2123185152.

The previous prime is 6230021801. The next prime is 6230021921. The reversal of 6230021840 is 481200326.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60212 + ... + 126828.

Almost surely, 2^6230021840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6230021840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8326717056).

6230021840 is an abundant number, since it is smaller than the sum of its proper divisors (10423412272).

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

6230021840 is a wasteful number, since it uses less digits than its factorization.

6230021840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66804 (or 66798 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6230021840 is about 78930.4873923885. The cubic root of 6230021840 is about 1840.0509831494.

The spelling of 6230021840 in words is "six billion, two hundred thirty million, twenty-one thousand, eight hundred forty".