2585681342 has 8 divisors (see below), whose sum is σ = 3898210536. Its totient is φ = 1286277832.

The previous prime is 2585681341. The next prime is 2585681347. The reversal of 2585681342 is 2431865852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2585681293 and 2585681302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585681341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280928 + ... + 3281715.

It is an arithmetic number, because the mean of its divisors is an integer number (487276317).

Almost surely, 2^2585681342 is an apocalyptic number.

2585681342 is a deficient number, since it is larger than the sum of its proper divisors (1312529194).

2585681342 is a wasteful number, since it uses less digits than its factorization.

2585681342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562842.

The product of its digits is 460800, while the sum is 44.

The square root of 2585681342 is about 50849.5952982912. The cubic root of 2585681342 is about 1372.5399701920.

The spelling of 2585681342 in words is "two billion, five hundred eighty-five million, six hundred eighty-one thousand, three hundred forty-two".