6245284820 has 54 divisors (see below), whose sum is σ = 13474042638. Its totient is φ = 2431529600.

The previous prime is 6245284813. The next prime is 6245284841. The reversal of 6245284820 is 284825426.

It can be written as a sum of positive squares in 3 ways, for example, as 359633296 + 5885651524 = 18964^2 + 76718^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14490005 + ... + 14490435.

Almost surely, 2^6245284820 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 6245284820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6737021319).

6245284820 is an abundant number, since it is smaller than the sum of its proper divisors (7228757818).

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

6245284820 is an equidigital number, since it uses as much as digits as its factorization.

6245284820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 6245284820 is about 79027.1144607976. The cubic root of 6245284820 is about 1841.5524095379.

The spelling of 6245284820 in words is "six billion, two hundred forty-five million, two hundred eighty-four thousand, eight hundred twenty".