25420812507286 has 8 divisors (see below), whose sum is σ = 43578535726800. Its totient is φ = 10894633931688.

The previous prime is 25420812507257. The next prime is 25420812507289. The reversal of 25420812507286 is 68270521802452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420812507289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907886160961 + ... + 907886160988.

It is an arithmetic number, because the mean of its divisors is an integer number (5447316965850).

Almost surely, 2^{25420812507286} is an apocalyptic number.

25420812507286 is a deficient number, since it is larger than the sum of its proper divisors (18157723219514).

25420812507286 is a wasteful number, since it uses less digits than its factorization.

25420812507286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815772321958.

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 25420812507286 in words is "twenty-five trillion, four hundred twenty billion, eight hundred twelve million, five hundred seven thousand, two hundred eighty-six".