25794542800 has 120 divisors (see below), whose sum is σ = 67584285440. Its totient is φ = 9403430400.

The previous prime is 25794542791. The next prime is 25794542821. The reversal of 25794542800 is 824549752.

It is a super-2 number, since 2×25794542800² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379405 + ... + 442195.

Almost surely, 2^25794542800 is an apocalyptic number.

25794542800 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 25794542800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33792142720).

25794542800 is an abundant number, since it is smaller than the sum of its proper divisors (41789742640).

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

25794542800 is a wasteful number, since it uses less digits than its factorization.

25794542800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62901 (or 62890 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 25794542800 in words is "twenty-five billion, seven hundred ninety-four million, five hundred forty-two thousand, eight hundred".