6244545312 has 240 divisors, whose sum is σ = 18957486240. Its totient is φ = 2015290368.

The previous prime is 6244545299. The next prime is 6244545337. The reversal of 6244545312 is 2135454426.

6244545312 is a `hidden beast` number, since 62 + 44 + 545 + 3 + 12 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19950468 + ... + 19950780.

It is an arithmetic number, because the mean of its divisors is an integer number (78989526).

Almost surely, 2^6244545312 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 6244545312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9478743120).

6244545312 is an abundant number, since it is smaller than the sum of its proper divisors (12712940928).

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

6244545312 is a wasteful number, since it uses less digits than its factorization.

6244545312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 540 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 6244545312 is about 79022.4354977749. The cubic root of 6244545312 is about 1841.4797202193.

Adding to 6244545312 its reverse (2135454426), we get a palindrome (8379999738).

The spelling of 6244545312 in words is "six billion, two hundred forty-four million, five hundred forty-five thousand, three hundred twelve".