2780505500252 has 12 divisors (see below), whose sum is σ = 4868216161200. Its totient is φ = 1389586597056.

The previous prime is 2780505500239. The next prime is 2780505500323. The reversal of 2780505500252 is 2520055050872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166528877 + ... + 166545572.

It is an arithmetic number, because the mean of its divisors is an integer number (405684680100).

Almost surely, 2^{2780505500252} is an apocalyptic number.

It is an amenable number.

2780505500252 is a deficient number, since it is larger than the sum of its proper divisors (2087710660948).

2780505500252 is a wasteful number, since it uses less digits than its factorization.

2780505500252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333076540 (or 333076538 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The spelling of 2780505500252 in words is "two trillion, seven hundred eighty billion, five hundred five million, five hundred thousand, two hundred fifty-two".