1568224000 has 144 divisors (see below), whose sum is σ = 4465371456. Its totient is φ = 537600000.

The previous prime is 1568223997. The next prime is 1568224013. The reversal of 1568224000 is 4228651.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1568224000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220500 + ... + 227500.

It is an arithmetic number, because the mean of its divisors is an integer number (31009524).

Almost surely, 2^1568224000 is an apocalyptic number.

1568224000 is a gapful number since it is divisible by the number (10) 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 1568224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232685728).

1568224000 is an abundant number, since it is smaller than the sum of its proper divisors (2897147456).

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

1568224000 is an frugal number, since it uses more digits than its factorization.

1568224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1568224000 is about 39600.8080725634. The cubic root of 1568224000 is about 1161.8124658475.

The spelling of 1568224000 in words is "one billion, five hundred sixty-eight million, two hundred twenty-four thousand".