6327552440 has 128 divisors (see below), whose sum is σ = 15740524800. Its totient is φ = 2270177280.

The previous prime is 6327552421. The next prime is 6327552443. The reversal of 6327552440 is 442557236.

It is a junction number, because it is equal to n+sod(n) for n = 6327552394 and 6327552403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6327552443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18775952 + ... + 18776288.

It is an arithmetic number, because the mean of its divisors is an integer number (122972850).

Almost surely, 2^6327552440 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 6327552440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7870262400).

6327552440 is an abundant number, since it is smaller than the sum of its proper divisors (9412972360).

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

6327552440 is a wasteful number, since it uses less digits than its factorization.

6327552440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 6327552440 is about 79545.9140371144. The cubic root of 6327552440 is about 1849.6032692007.

The spelling of 6327552440 in words is "six billion, three hundred twenty-seven million, five hundred fifty-two thousand, four hundred forty".