25440050301040 has 40 divisors (see below), whose sum is σ = 62627417950320. Its totient is φ = 9577430701056.

The previous prime is 25440050301019. The next prime is 25440050301059. The reversal of 25440050301040 is 4010305004452.

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

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, 9352958310 + ... + 9352961029.

It is an arithmetic number, because the mean of its divisors is an integer number (1565685448758).

Almost surely, 2^{25440050301040} is an apocalyptic number.

25440050301040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25440050301040 is an abundant number, since it is smaller than the sum of its proper divisors (37187367649280).

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

25440050301040 is a wasteful number, since it uses less digits than its factorization.

25440050301040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705919369 (or 18705919363 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25440050301040 its reverse (4010305004452), we get a palindrome (29450355305492).

The spelling of 25440050301040 in words is "twenty-five trillion, four hundred forty billion, fifty million, three hundred one thousand, forty".