25710347040 has 384 divisors, whose sum is σ = 99429120000. Its totient is φ = 5566675968.

The previous prime is 25710347017. The next prime is 25710347081. The reversal of 25710347040 is 4074301752.

It is a super-2 number, since 2×25710347040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25710346992 and 25710347010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3124051 + ... + 3132269.

It is an arithmetic number, because the mean of its divisors is an integer number (258930000).

Almost surely, 2^25710347040 is an apocalyptic number.

25710347040 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 25710347040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49714560000).

25710347040 is an abundant number, since it is smaller than the sum of its proper divisors (73718772960).

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

25710347040 is a wasteful number, since it uses less digits than its factorization.

25710347040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277 (or 8255 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

Adding to 25710347040 its reverse (4074301752), we get a palindrome (29784648792).

The spelling of 25710347040 in words is "twenty-five billion, seven hundred ten million, three hundred forty-seven thousand, forty".