25682042586 has 32 divisors (see below), whose sum is σ = 52538388480. Its totient is φ = 8365529456.

The previous prime is 25682042543. The next prime is 25682042587. The reversal of 25682042586 is 68524028652.

It is a super-2 number, since 2×25682042586² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25682042587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112075 + ... + 252833.

It is an arithmetic number, because the mean of its divisors is an integer number (1641824640).

Almost surely, 2^25682042586 is an apocalyptic number.

25682042586 is an abundant number, since it is smaller than the sum of its proper divisors (26856345894).

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

25682042586 is a wasteful number, since it uses less digits than its factorization.

25682042586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141458.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 25682042586 in words is "twenty-five billion, six hundred eighty-two million, forty-two thousand, five hundred eighty-six".