2569857248 has 48 divisors (see below), whose sum is σ = 5835281760. Its totient is φ = 1091252736.

The previous prime is 2569857247. The next prime is 2569857259. The reversal of 2569857248 is 8427589652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 2569857193 and 2569857202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569857247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28211 + ... + 77042.

It is an arithmetic number, because the mean of its divisors is an integer number (121568370).

Almost surely, 2^2569857248 is an apocalyptic number.

2569857248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2569857248 is an abundant number, since it is smaller than the sum of its proper divisors (3265424512).

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

2569857248 is a wasteful number, since it uses less digits than its factorization.

2569857248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105379 (or 105371 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The square root of 2569857248 is about 50693.7594581424. The cubic root of 2569857248 is about 1369.7343061930.

The spelling of 2569857248 in words is "two billion, five hundred sixty-nine million, eight hundred fifty-seven thousand, two hundred forty-eight".