6552244640 has 48 divisors (see below), whose sum is σ = 15484574952. Its totient is φ = 2620068864.

The previous prime is 6552244637. The next prime is 6552244651. The reversal of 6552244640 is 464422556.

It can be written as a sum of positive squares in 4 ways, for example, as 6283415824 + 268828816 = 79268^2 + 16396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6552244594 and 6552244603.

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 7 ways as a sum of consecutive naturals, for example, 872582 + ... + 880058.

Almost surely, 2^6552244640 is an apocalyptic number.

It is an amenable number.

6552244640 is an abundant number, since it is smaller than the sum of its proper divisors (8932330312).

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

6552244640 is a wasteful number, since it uses less digits than its factorization.

6552244640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969 (or 12961 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 6552244640 is about 80945.9365255601. The cubic root of 6552244640 is about 1871.2423365084.

The spelling of 6552244640 in words is "six billion, five hundred fifty-two million, two hundred forty-four thousand, six hundred forty".