1568367420 has 24 divisors (see below), whose sum is σ = 4391428944. Its totient is φ = 418231296.

The previous prime is 1568367403. The next prime is 1568367439. The reversal of 1568367420 is 247638651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13069669 + ... + 13069788.

It is an arithmetic number, because the mean of its divisors is an integer number (182976206).

Almost surely, 2^1568367420 is an apocalyptic number.

1568367420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1568367420 is an abundant number, since it is smaller than the sum of its proper divisors (2823061524).

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

1568367420 is a wasteful number, since it uses less digits than its factorization.

1568367420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26139469 (or 26139467 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1568367420 is about 39602.6188527981. The cubic root of 1568367420 is about 1161.8478821453.

The spelling of 1568367420 in words is "one billion, five hundred sixty-eight million, three hundred sixty-seven thousand, four hundred twenty".