1336445568 has 96 divisors (see below), whose sum is σ = 3988289760. Its totient is φ = 445471488.

The previous prime is 1336445563. The next prime is 1336445581. The reversal of 1336445568 is 8655446331.

1336445568 is a `hidden beast` number, since 1 + 33 + 64 + 4 + 556 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1336445563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9621 + ... + 52587.

It is an arithmetic number, because the mean of its divisors is an integer number (41544685).

Almost surely, 2^1336445568 is an apocalyptic number.

1336445568 is a gapful number since it is divisible by the number (18) 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 1336445568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994144880).

1336445568 is an abundant number, since it is smaller than the sum of its proper divisors (2651844192).

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

1336445568 is an frugal number, since it uses more digits than its factorization.

1336445568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42996 (or 42972 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 1336445568 is about 36557.4283559443. The cubic root of 1336445568 is about 1101.4981152301.

The spelling of 1336445568 in words is "one billion, three hundred thirty-six million, four hundred forty-five thousand, five hundred sixty-eight".