25745616000 has 768 divisors, whose sum is σ = 105558616800. Its totient is φ = 5957222400.

The previous prime is 25745615993. The next prime is 25745616031. The reversal of 25745616000 is 61654752.

It is a happy number.

25745616000 is a `hidden beast` number, since 2 + 5 + 7 + 45 + 6 + 1 + 600 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 50808384 + 25694807616 = 7128^2 + 160296^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 31823596 + ... + 31824404.

Almost surely, 2^25745616000 is an apocalyptic number.

25745616000 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 25745616000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52779308400).

25745616000 is an abundant number, since it is smaller than the sum of its proper divisors (79813000800).

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

25745616000 is a wasteful number, since it uses less digits than its factorization.

25745616000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 25745616000 in words is "twenty-five billion, seven hundred forty-five million, six hundred sixteen thousand".