25821276000 has 384 divisors, whose sum is σ = 92039141376. Its totient is φ = 6290380800.

The previous prime is 25821275981. The next prime is 25821276007. The reversal of 25821276000 is 67212852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25821276007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16067197 + ... + 16068803.

It is an arithmetic number, because the mean of its divisors is an integer number (239685264).

Almost surely, 2^25821276000 is an apocalyptic number.

25821276000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25821276000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46019570688).

25821276000 is an abundant number, since it is smaller than the sum of its proper divisors (66217865376).

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

25821276000 is a wasteful number, since it uses less digits than its factorization.

25821276000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 25821276000 its reverse (67212852), we get a palindrome (25888488852).

The spelling of 25821276000 in words is "twenty-five billion, eight hundred twenty-one million, two hundred seventy-six thousand".