2239361568 has 144 divisors (see below), whose sum is σ = 6554804256. Its totient is φ = 724792320.

The previous prime is 2239361561. The next prime is 2239361573. The reversal of 2239361568 is 8651639322.

2239361568 is a `hidden beast` number, since 2 + 23 + 9 + 3 + 61 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (2239361561) 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, 2612596 + ... + 2613452.

It is an arithmetic number, because the mean of its divisors is an integer number (45519474).

Almost surely, 2^2239361568 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 2239361568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3277402128).

2239361568 is an abundant number, since it is smaller than the sum of its proper divisors (4315442688).

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

2239361568 is a wasteful number, since it uses less digits than its factorization.

2239361568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1116 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2239361568 is about 47321.8931151322. The cubic root of 2239361568 is about 1308.3022055134.

The spelling of 2239361568 in words is "two billion, two hundred thirty-nine million, three hundred sixty-one thousand, five hundred sixty-eight".