25952852213820 has 144 divisors (see below), whose sum is σ = 93924608107680. Its totient is φ = 5932080499968.

The previous prime is 25952852213707. The next prime is 25952852213833. The reversal of 25952852213820 is 2831225825952.

25952852213820 is a `hidden beast` number, since 2 + 5 + 9 + 5 + 28 + 522 + 13 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 490390249 + ... + 490443168.

It is an arithmetic number, because the mean of its divisors is an integer number (652254222970).

Almost surely, 2^{25952852213820} is an apocalyptic number.

25952852213820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25952852213820 is an abundant number, since it is smaller than the sum of its proper divisors (67971755893860).

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

25952852213820 is a wasteful number, since it uses less digits than its factorization.

25952852213820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980833449 (or 980833434 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 25952852213820 in words is "twenty-five trillion, nine hundred fifty-two billion, eight hundred fifty-two million, two hundred thirteen thousand, eight hundred twenty".