2560320 has 168 divisors, whose sum is σ = 10143744. Its totient is φ = 580608.

The previous prime is 2560303. The next prime is 2560339. The reversal of 2560320 is 230652.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2560293 and 2560302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20097 + ... + 20223.

2^2560320 is an apocalyptic number.

2560320 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 2560320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5071872).

2560320 is an abundant number, since it is smaller than the sum of its proper divisors (7583424).

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

2560320 is a wasteful number, since it uses less digits than its factorization.

2560320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2560320 is about 1600.0999968752. The cubic root of 2560320 is about 136.8037754165.

Adding to 2560320 its reverse (230652), we get a palindrome (2790972).

The spelling of 2560320 in words is "two million, five hundred sixty thousand, three hundred twenty".