568136380 has 72 divisors (see below), whose sum is σ = 1432722816. Its totient is φ = 188496000.

The previous prime is 568136357. The next prime is 568136381. The reversal of 568136380 is 83631865.

568136380 = T₃₅ + T₃₆ + ... + T₁₅₀₄.

568136380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568136381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21030 + ... + 39730.

It is an arithmetic number, because the mean of its divisors is an integer number (19898928).

Almost surely, 2^568136380 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 568136380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716361408).

568136380 is an abundant number, since it is smaller than the sum of its proper divisors (864586436).

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

568136380 is a wasteful number, since it uses less digits than its factorization.

568136380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18755 (or 18746 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 568136380 is about 23835.6115927408. The cubic root of 568136380 is about 828.2298268250.

It can be divided in two parts, 568136 and 380, that added together give a square (568516 = 754²).

The spelling of 568136380 in words is "five hundred sixty-eight million, one hundred thirty-six thousand, three hundred eighty".