620395414380256 has 12 divisors (see below), whose sum is σ = 1221403472061192. Its totient is φ = 310197707190112.

The previous prime is 620395414380233. The next prime is 620395414380323. The reversal of 620395414380256 is 652083414593026.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 620395414380256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9693678349660 + ... + 9693678349723.

It is an arithmetic number, because the mean of its divisors is an integer number (101783622671766).

Almost surely, 2^{620395414380256} is an apocalyptic number.

It is an amenable number.

620395414380256 is a deficient number, since it is larger than the sum of its proper divisors (601008057680936).

620395414380256 is a wasteful number, since it uses less digits than its factorization.

620395414380256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19387356699393 (or 19387356699385 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 620395414380256 in words is "six hundred twenty trillion, three hundred ninety-five billion, four hundred fourteen million, three hundred eighty thousand, two hundred fifty-six".