6624341640 has 384 divisors, whose sum is σ = 26741145600. Its totient is φ = 1387860480.

The previous prime is 6624341629. The next prime is 6624341701. The reversal of 6624341640 is 461434266.

6624341640 is a `hidden beast` number, since 6 + 6 + 2 + 4 + 3 + 4 + 1 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6624341595 and 6624341604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1482049 + ... + 1486511.

It is an arithmetic number, because the mean of its divisors is an integer number (69638400).

Almost surely, 2^6624341640 is an apocalyptic number.

6624341640 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 6624341640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13370572800).

6624341640 is an abundant number, since it is smaller than the sum of its proper divisors (20116803960).

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

6624341640 is a wasteful number, since it uses less digits than its factorization.

6624341640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6624341640 is about 81390.0586066873. The cubic root of 6624341640 is about 1878.0806615077.

The spelling of 6624341640 in words is "six billion, six hundred twenty-four million, three hundred forty-one thousand, six hundred forty".