2568040 has 64 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 933120.

The previous prime is 2568031. The next prime is 2568061. The reversal of 2568040 is 408652.

2568040 = T₃₁ + T₃₂ + ... + T₂₄₈.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2567996 and 2568014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23506 + ... + 23614.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2^2568040 is an apocalyptic number.

2568040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2568040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3168000).

2568040 is an abundant number, since it is smaller than the sum of its proper divisors (3767960).

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

2568040 is a wasteful number, since it uses less digits than its factorization.

2568040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2568040 is about 1602.5105303866. The cubic root of 2568040 is about 136.9411365572.

The spelling of 2568040 in words is "two million, five hundred sixty-eight thousand, forty".