2560740 has 144 divisors (see below), whose sum is σ = 9116352. Its totient is φ = 532224.

The previous prime is 2560739. The next prime is 2560741. The reversal of 2560740 is 470652.

It is a happy number.

2560740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2560739) and next prime (2560741).

It is a self number, because there is not a number n which added to its sum of digits gives 2560740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38187 + ... + 38253.

It is an arithmetic number, because the mean of its divisors is an integer number (63308).

2^2560740 is an apocalyptic number.

2560740 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 2560740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4558176).

2560740 is an abundant number, since it is smaller than the sum of its proper divisors (6555612).

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

2560740 is a wasteful number, since it uses less digits than its factorization.

2560740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2560740 is about 1600.2312332910. The cubic root of 2560740 is about 136.8112555289.

The spelling of 2560740 in words is "two million, five hundred sixty thousand, seven hundred forty".