628466493255 has 64 divisors (see below), whose sum is σ = 1040604364800. Its totient is φ = 323675412480.

The previous prime is 628466493253. The next prime is 628466493269. The reversal of 628466493255 is 552394664826.

It is not a de Polignac number, because 628466493255 - 2¹ = 628466493253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628466493253) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 34278931 + ... + 34297259.

It is an arithmetic number, because the mean of its divisors is an integer number (16259443200).

Almost surely, 2^628466493255 is an apocalyptic number.

628466493255 is a deficient number, since it is larger than the sum of its proper divisors (412137871545).

628466493255 is a wasteful number, since it uses less digits than its factorization.

628466493255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18944.

The product of its digits is 74649600, while the sum is 60.

The spelling of 628466493255 in words is "six hundred twenty-eight billion, four hundred sixty-six million, four hundred ninety-three thousand, two hundred fifty-five".