25055210140 has 12 divisors (see below), whose sum is σ = 52615941336. Its totient is φ = 10022084048.

The previous prime is 25055210129. The next prime is 25055210179. The reversal of 25055210140 is 4101255052.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 626380234 + ... + 626380273.

It is an arithmetic number, because the mean of its divisors is an integer number (4384661778).

Almost surely, 2^25055210140 is an apocalyptic number.

25055210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25055210140 is an abundant number, since it is smaller than the sum of its proper divisors (27560731196).

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

25055210140 is a wasteful number, since it uses less digits than its factorization.

25055210140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252760516 (or 1252760514 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 25055210140 its reverse (4101255052), we get a palindrome (29156465192).

The spelling of 25055210140 in words is "twenty-five billion, fifty-five million, two hundred ten thousand, one hundred forty".