25040313043200 has 4860 divisors, whose sum is σ = 123161401384560. Its totient is φ = 4988862627840.

The previous prime is 25040313043069. The next prime is 25040313043201. The reversal of 25040313043200 is 234031304052.

25040313043200 is a `hidden beast` number, since 2 + 5 + 0 + 4 + 0 + 31 + 304 + 320 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25040313043201) by changing a digit.

It is a polite number, since it can be written in 539 ways as a sum of consecutive naturals, for example, 81564537447 + ... + 81564537753.

Almost surely, 2^{25040313043200} is an apocalyptic number.

25040313043200 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 25040313043200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61580700692280).

25040313043200 is an abundant number, since it is smaller than the sum of its proper divisors (98121088341360).

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

25040313043200 is a wasteful number, since it uses less digits than its factorization.

25040313043200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 25040313043200 its reverse (234031304052), we get a palindrome (25274344347252).

The spelling of 25040313043200 in words is "twenty-five trillion, forty billion, three hundred thirteen million, forty-three thousand, two hundred".