6244868820 has 48 divisors (see below), whose sum is σ = 17649067968. Its totient is φ = 1649733120.

The previous prime is 6244868783. The next prime is 6244868821. The reversal of 6244868820 is 288684426.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6244868820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244868821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479941 + ... + 492780.

It is an arithmetic number, because the mean of its divisors is an integer number (367688916).

Almost surely, 2^6244868820 is an apocalyptic number.

6244868820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6244868820 is an abundant number, since it is smaller than the sum of its proper divisors (11404199148).

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

6244868820 is a wasteful number, since it uses less digits than its factorization.

6244868820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972840 (or 972838 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 6244868820 is about 79024.4824089345. The cubic root of 6244868820 is about 1841.5115198729.

The spelling of 6244868820 in words is "six billion, two hundred forty-four million, eight hundred sixty-eight thousand, eight hundred twenty".