25840261088 has 24 divisors (see below), whose sum is σ = 51832885608. Its totient is φ = 12676353664.

The previous prime is 25840261081. The next prime is 25840261129. The reversal of 25840261088 is 88016204852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25840261081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7616306 + ... + 7619697.

It is an arithmetic number, because the mean of its divisors is an integer number (2159703567).

Almost surely, 2^25840261088 is an apocalyptic number.

It is an amenable number.

25840261088 is an abundant number, since it is smaller than the sum of its proper divisors (25992624520).

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

25840261088 is a wasteful number, since it uses less digits than its factorization.

25840261088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15236066 (or 15236058 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 25840261088 in words is "twenty-five billion, eight hundred forty million, two hundred sixty-one thousand, eighty-eight".