2505243530320 has 80 divisors (see below), whose sum is σ = 5861778572160. Its totient is φ = 995734236672.

The previous prime is 2505243530297. The next prime is 2505243530371. The reversal of 2505243530320 is 230353425052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 9079027 + ... + 9350893.

It is an arithmetic number, because the mean of its divisors is an integer number (73272232152).

Almost surely, 2^{2505243530320} is an apocalyptic number.

2505243530320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505243530320 is an abundant number, since it is smaller than the sum of its proper divisors (3356535041840).

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

2505243530320 is a wasteful number, since it uses less digits than its factorization.

2505243530320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272612 (or 272606 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 2505243530320 its reverse (230353425052), we get a palindrome (2735596955372).

The spelling of 2505243530320 in words is "two trillion, five hundred five billion, two hundred forty-three million, five hundred thirty thousand, three hundred twenty".