6244264664 has 64 divisors (see below), whose sum is σ = 13350147840. Its totient is φ = 2710322560.

The previous prime is 6244264603. The next prime is 6244264669. The reversal of 6244264664 is 4664624426.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244264669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380134 + ... + 1384650.

It is an arithmetic number, because the mean of its divisors is an integer number (208596060).

Almost surely, 2^6244264664 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 6244264664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6675073920).

6244264664 is an abundant number, since it is smaller than the sum of its proper divisors (7105883176).

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

6244264664 is a wasteful number, since it uses less digits than its factorization.

6244264664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240 (or 5236 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 44.

The square root of 6244264664 is about 79020.6597289595. The cubic root of 6244264664 is about 1841.4521326573.

The spelling of 6244264664 in words is "six billion, two hundred forty-four million, two hundred sixty-four thousand, six hundred sixty-four".