25500260142 has 24 divisors (see below), whose sum is σ = 63143501616. Its totient is φ = 7285788576.

The previous prime is 25500260131. The next prime is 25500260179. The reversal of 25500260142 is 24106200552.

25500260142 is a `hidden beast` number, since 2 + 5 + 50 + 0 + 2 + 601 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101191383 + ... + 101191634.

It is an arithmetic number, because the mean of its divisors is an integer number (2630979234).

Almost surely, 2^25500260142 is an apocalyptic number.

25500260142 is an abundant number, since it is smaller than the sum of its proper divisors (37643241474).

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

25500260142 is a wasteful number, since it uses less digits than its factorization.

25500260142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202383032 (or 202383029 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25500260142 its reverse (24106200552), we get a palindrome (49606460694).

The spelling of 25500260142 in words is "twenty-five billion, five hundred million, two hundred sixty thousand, one hundred forty-two".