2520771217648 has 40 divisors (see below), whose sum is σ = 4930730069328. Its totient is φ = 1248377536512.

The previous prime is 2520771217597. The next prime is 2520771217663. The reversal of 2520771217648 is 8467121770252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2520771217595 and 2520771217604.

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, 885265 + ... + 2413552.

Almost surely, 2^{2520771217648} is an apocalyptic number.

It is an amenable number.

2520771217648 is a deficient number, since it is larger than the sum of its proper divisors (2409958851680).

2520771217648 is a wasteful number, since it uses less digits than its factorization.

2520771217648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299281 (or 3299275 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 2520771217648 in words is "two trillion, five hundred twenty billion, seven hundred seventy-one million, two hundred seventeen thousand, six hundred forty-eight".