25676321000 has 256 divisors, whose sum is σ = 67090083840. Its totient is φ = 9196000000.

The previous prime is 25676320997. The next prime is 25676321017. The reversal of 25676321000 is 12367652.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 134430905 + ... + 134431095.

It is an arithmetic number, because the mean of its divisors is an integer number (262070640).

Almost surely, 2^25676321000 is an apocalyptic number.

25676321000 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 25676321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33545041920).

25676321000 is an abundant number, since it is smaller than the sum of its proper divisors (41413762840).

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

25676321000 is a wasteful number, since it uses less digits than its factorization.

25676321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 25676321000 its reverse (12367652), we get a palindrome (25688688652).

The spelling of 25676321000 in words is "twenty-five billion, six hundred seventy-six million, three hundred twenty-one thousand".