2569168420 has 72 divisors (see below), whose sum is σ = 6676858944. Its totient is φ = 813091968.

The previous prime is 2569168403. The next prime is 2569168421. The reversal of 2569168420 is 248619652.

It is not an unprimeable number, because it can be changed into a prime (2569168421) 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, 30634 + ... + 77953.

It is an arithmetic number, because the mean of its divisors is an integer number (92734152).

Almost surely, 2^2569168420 is an apocalyptic number.

2569168420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2569168420 is an abundant number, since it is smaller than the sum of its proper divisors (4107690524).

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

2569168420 is a wasteful number, since it uses less digits than its factorization.

2569168420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108629 (or 108614 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2569168420 is about 50686.9649910112. The cubic root of 2569168420 is about 1369.6119134471.

The spelling of 2569168420 in words is "two billion, five hundred sixty-nine million, one hundred sixty-eight thousand, four hundred twenty".