2568188438420 has 48 divisors (see below), whose sum is σ = 5964081979968. Its totient is φ = 921093730560.

The previous prime is 2568188438419. The next prime is 2568188438423. The reversal of 2568188438420 is 248348818652.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2568188438420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568188438423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79939994 + ... + 79972113.

It is an arithmetic number, because the mean of its divisors is an integer number (124251707916).

Almost surely, 2^{2568188438420} is an apocalyptic number.

2568188438420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568188438420 is an abundant number, since it is smaller than the sum of its proper divisors (3395893541548).

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

2568188438420 is a wasteful number, since it uses less digits than its factorization.

2568188438420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159912200 (or 159912198 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 59.

The spelling of 2568188438420 in words is "two trillion, five hundred sixty-eight billion, one hundred eighty-eight million, four hundred thirty-eight thousand, four hundred twenty".