6285864444 has 72 divisors (see below), whose sum is σ = 15607413360. Its totient is φ = 1968635904.

The previous prime is 6285864443. The next prime is 6285864457. The reversal of 6285864444 is 4444685826.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6285864443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2665714 + ... + 2668070.

It is an arithmetic number, because the mean of its divisors is an integer number (216769630).

Almost surely, 2^6285864444 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 6285864444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7803706680).

6285864444 is an abundant number, since it is smaller than the sum of its proper divisors (9321548916).

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

6285864444 is a wasteful number, since it uses less digits than its factorization.

6285864444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3148 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 51.

The square root of 6285864444 is about 79283.4436941282. The cubic root of 6285864444 is about 1845.5323844612.

The spelling of 6285864444 in words is "six billion, two hundred eighty-five million, eight hundred sixty-four thousand, four hundred forty-four".