25100225340 has 24 divisors (see below), whose sum is σ = 70280631120. Its totient is φ = 6693393408.

The previous prime is 25100225323. The next prime is 25100225341. The reversal of 25100225340 is 4352200152.

It is a self number, because there is not a number n which added to its sum of digits gives 25100225340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25100225341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 209168485 + ... + 209168604.

It is an arithmetic number, because the mean of its divisors is an integer number (2928359630).

Almost surely, 2^25100225340 is an apocalyptic number.

25100225340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25100225340 is an abundant number, since it is smaller than the sum of its proper divisors (45180405780).

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

25100225340 is a wasteful number, since it uses less digits than its factorization.

25100225340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418337101 (or 418337099 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 25100225340 its reverse (4352200152), we get a palindrome (29452425492).

The spelling of 25100225340 in words is "twenty-five billion, one hundred million, two hundred twenty-five thousand, three hundred forty".