626580320865455 has 64 divisors (see below), whose sum is σ = 824917564717056. Its totient is φ = 453106338048000.

The previous prime is 626580320865431. The next prime is 626580320865467. The reversal of 626580320865455 is 554568023085626.

It is not a de Polignac number, because 626580320865455 - 2⁶ = 626580320865391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 626580320865391 and 626580320865400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74055109925 + ... + 74055118385.

It is an arithmetic number, because the mean of its divisors is an integer number (12889336948704).

Almost surely, 2^{626580320865455} is an apocalyptic number.

626580320865455 is a deficient number, since it is larger than the sum of its proper divisors (198337243851601).

626580320865455 is a wasteful number, since it uses less digits than its factorization.

626580320865455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13968.

The product of its (nonzero) digits is 414720000, while the sum is 65.

The spelling of 626580320865455 in words is "six hundred twenty-six trillion, five hundred eighty billion, three hundred twenty million, eight hundred sixty-five thousand, four hundred fifty-five".