2560042 has 16 divisors (see below), whose sum is σ = 4004352. Its totient is φ = 1226160.

The previous prime is 2560039. The next prime is 2560049. The reversal of 2560042 is 2400652.

It is not an unprimeable number, because it can be changed into a prime (2560049) 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, 9603 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (250272).

2^2560042 is an apocalyptic number.

2560042 is a deficient number, since it is larger than the sum of its proper divisors (1444310).

2560042 is a wasteful number, since it uses less digits than its factorization.

2560042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2560042 is about 1600.0131249462. The cubic root of 2560042 is about 136.7988238445.

Adding to 2560042 its reverse (2400652), we get a palindrome (4960694).

The spelling of 2560042 in words is "two million, five hundred sixty thousand, forty-two".