25025025140 has 24 divisors (see below), whose sum is σ = 52569176352. Its totient is φ = 10006843680.

The previous prime is 25025025119. The next prime is 25025025167. The reversal of 25025025140 is 4152052052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132566 + ... + 260045.

It is an arithmetic number, because the mean of its divisors is an integer number (2190382348).

Almost surely, 2^25025025140 is an apocalyptic number.

25025025140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25025025140 is an abundant number, since it is smaller than the sum of its proper divisors (27544151212).

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

25025025140 is a wasteful number, since it uses less digits than its factorization.

25025025140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395807 (or 395805 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 25025025140 its reverse (4152052052), we get a palindrome (29177077192).

The spelling of 25025025140 in words is "twenty-five billion, twenty-five million, twenty-five thousand, one hundred forty".