3568628644 has 81 divisors (see below), whose sum is σ = 7748049729. Its totient is φ = 1433712000.

The previous prime is 3568628597. The next prime is 3568628647. The reversal of 3568628644 is 4468268653.

3568628644 = 197² + 198² + ... + 2204².

The square root of 3568628644 is 59738.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2778344100 + 790284544 = 52710^2 + 28112^2 .

It is a super-2 number, since 2×3568628644² = 25470220797554557472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3568628591 and 3568628600.

It is not an unprimeable number, because it can be changed into a prime (3568628647) 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 26 ways as a sum of consecutive naturals, for example, 14217519 + ... + 14217769.

Almost surely, 2^3568628644 is an apocalyptic number.

3568628644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3568628644 is the 59738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3568628644

3568628644 is an abundant number, since it is smaller than the sum of its proper divisors (4179421085).

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

3568628644 is a wasteful number, since it uses less digits than its factorization.

3568628644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 277 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 52.

The cubic root of 3568628644 is about 1528.1539875922.

The spelling of 3568628644 in words is "three billion, five hundred sixty-eight million, six hundred twenty-eight thousand, six hundred forty-four".