6246788544 has 84 divisors (see below), whose sum is σ = 17926293840. Its totient is φ = 2079820800.

The previous prime is 6246788543. The next prime is 6246788549. The reversal of 6246788544 is 4458876426.

It is a happy number.

6246788544 is a `hidden beast` number, since 6 + 24 + 6 + 78 + 8 + 544 = 666.

It is a super-2 number, since 2×6246788544² = 78044734226899279872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6246788543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523444 + ... + 535244.

It is an arithmetic number, because the mean of its divisors is an integer number (213408260).

Almost surely, 2^6246788544 is an apocalyptic number.

6246788544 is a gapful number since it is divisible by the number (64) 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 6246788544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8963146920).

6246788544 is an abundant number, since it is smaller than the sum of its proper divisors (11679505296).

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

6246788544 is a wasteful number, since it uses less digits than its factorization.

6246788544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12738 (or 12725 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The square root of 6246788544 is about 79036.6278632888. The cubic root of 6246788544 is about 1841.7001991324.

The spelling of 6246788544 in words is "six billion, two hundred forty-six million, seven hundred eighty-eight thousand, five hundred forty-four".