6624337920 has 448 divisors, whose sum is σ = 22949830656. Its totient is φ = 1627914240.

The previous prime is 6624337901. The next prime is 6624337999. The reversal of 6624337920 is 297334266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140943337 + ... + 140943383.

Almost surely, 2^6624337920 is an apocalyptic number.

6624337920 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 6624337920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11474915328).

6624337920 is an abundant number, since it is smaller than the sum of its proper divisors (16325492736).

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

6624337920 is a wasteful number, since it uses less digits than its factorization.

6624337920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 6624337920 is about 81390.0357537703. The cubic root of 6624337920 is about 1878.0803099527.

The spelling of 6624337920 in words is "six billion, six hundred twenty-four million, three hundred thirty-seven thousand, nine hundred twenty".