6244623240 has 128 divisors (see below), whose sum is σ = 19357574400. Its totient is φ = 1610685440.

The previous prime is 6244623197. The next prime is 6244623241. The reversal of 6244623240 is 423264426.

It is not an unprimeable number, because it can be changed into a prime (6244623241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444646 + ... + 458474.

It is an arithmetic number, because the mean of its divisors is an integer number (151231050).

Almost surely, 2^6244623240 is an apocalyptic number.

6244623240 is a gapful number since it is divisible by the number (60) 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 6244623240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9678787200).

6244623240 is an abundant number, since it is smaller than the sum of its proper divisors (13112951160).

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

6244623240 is a wasteful number, since it uses less digits than its factorization.

6244623240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13967 (or 13963 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 6244623240 is about 79022.9285713963. The cubic root of 6244623240 is about 1841.4873803572.

Adding to 6244623240 its reverse (423264426), we get a palindrome (6667887666).

The spelling of 6244623240 in words is "six billion, two hundred forty-four million, six hundred twenty-three thousand, two hundred forty".