25500003213040 has 40 divisors (see below), whose sum is σ = 59290758251280. Its totient is φ = 10199442011136.

The previous prime is 25500003213031. The next prime is 25500003213077. The reversal of 25500003213040 is 4031230000552.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 25500003212996 and 25500003213014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7268970 + ... + 10190089.

It is an arithmetic number, because the mean of its divisors is an integer number (1482268956282).

Almost surely, 2^{25500003213040} is an apocalyptic number.

25500003213040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25500003213040 is an abundant number, since it is smaller than the sum of its proper divisors (33790755038240).

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

25500003213040 is a wasteful number, since it uses less digits than its factorization.

25500003213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17477329 (or 17477323 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 25500003213040 its reverse (4031230000552), we get a palindrome (29531233213592).

The spelling of 25500003213040 in words is "twenty-five trillion, five hundred billion, three million, two hundred thirteen thousand, forty".