6244756920 has 96 divisors (see below), whose sum is σ = 20323789200. Its totient is φ = 1662944256.

The previous prime is 6244756919. The next prime is 6244756939. The reversal of 6244756920 is 296574426.

6244756920 is a `hidden beast` number, since 6 + 24 + 47 + 569 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 254304 + ... + 277776.

Almost surely, 2^6244756920 is an apocalyptic number.

6244756920 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 6244756920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10161894600).

6244756920 is an abundant number, since it is smaller than the sum of its proper divisors (14079032280).

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

6244756920 is a wasteful number, since it uses less digits than its factorization.

6244756920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24229 (or 24222 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6244756920 is about 79023.7743973293. The cubic root of 6244756920 is about 1841.5005206362.

The spelling of 6244756920 in words is "six billion, two hundred forty-four million, seven hundred fifty-six thousand, nine hundred twenty".