6224844640 has 96 divisors (see below), whose sum is σ = 17349341184. Its totient is φ = 2065374720.

The previous prime is 6224844631. The next prime is 6224844649. The reversal of 6224844640 is 464484226.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6224844631) and next prime (6224844649).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6224844593 and 6224844602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6224844649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54924 + ... + 124363.

It is an arithmetic number, because the mean of its divisors is an integer number (180722304).

Almost surely, 2^6224844640 is an apocalyptic number.

It is an amenable number.

6224844640 is an abundant number, since it is smaller than the sum of its proper divisors (11124496544).

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

6224844640 is a wasteful number, since it uses less digits than its factorization.

6224844640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179340 (or 179332 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The square root of 6224844640 is about 78897.6846301588. The cubic root of 6224844640 is about 1839.5411426690.

The spelling of 6224844640 in words is "six billion, two hundred twenty-four million, eight hundred forty-four thousand, six hundred forty".