628943415532 has 24 divisors (see below), whose sum is σ = 1158714653040. Its totient is φ = 297885934080.

The previous prime is 628943415509. The next prime is 628943415533. The reversal of 628943415532 is 235514349826.

It is a self number, because there is not a number n which added to its sum of digits gives 628943415532.

It is not an unprimeable number, because it can be changed into a prime (628943415533) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 183108 + ... + 1136404.

It is an arithmetic number, because the mean of its divisors is an integer number (48279777210).

Almost surely, 2^628943415532 is an apocalyptic number.

It is an amenable number.

628943415532 is a deficient number, since it is larger than the sum of its proper divisors (529771237508).

628943415532 is a wasteful number, since it uses less digits than its factorization.

628943415532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962001 (or 961999 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 628943415532 in words is "six hundred twenty-eight billion, nine hundred forty-three million, four hundred fifteen thousand, five hundred thirty-two".