25530003027840 has 128 divisors (see below), whose sum is σ = 81379695438720. Its totient is φ = 6807765657600.

The previous prime is 25530003027833. The next prime is 25530003027863. The reversal of 25530003027840 is 4872030003552.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59403807 + ... + 59832033.

It is an arithmetic number, because the mean of its divisors is an integer number (635778870615).

Almost surely, 2^{25530003027840} is an apocalyptic number.

25530003027840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25530003027840 is an abundant number, since it is smaller than the sum of its proper divisors (55849692410880).

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

25530003027840 is a wasteful number, since it uses less digits than its factorization.

25530003027840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459300 (or 459288 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 25530003027840 in words is "twenty-five trillion, five hundred thirty billion, three million, twenty-seven thousand, eight hundred forty".