6224539840 has 112 divisors (see below), whose sum is σ = 15644286720. Its totient is φ = 2352430080.

The previous prime is 6224539819. The next prime is 6224539861. The reversal of 6224539840 is 489354226.

It is an interprime number because it is at equal distance from previous prime (6224539819) and next prime (6224539861).

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 15 ways as a sum of consecutive naturals, for example, 2692285 + ... + 2694595.

Almost surely, 2^6224539840 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 6224539840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7822143360).

6224539840 is an abundant number, since it is smaller than the sum of its proper divisors (9419746880).

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

6224539840 is a wasteful number, since it uses less digits than its factorization.

6224539840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 6224539840 is about 78895.7529908930. The cubic root of 6224539840 is about 1839.5111177541.

The spelling of 6224539840 in words is "six billion, two hundred twenty-four million, five hundred thirty-nine thousand, eight hundred forty".