628405299882852 has 24 divisors (see below), whose sum is σ = 1530030295367616. Its totient is φ = 200361110107488.

The previous prime is 628405299882821. The next prime is 628405299882947. The reversal of 628405299882852 is 258288992504826.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138415398063 + ... + 1138415398614.

It is an arithmetic number, because the mean of its divisors is an integer number (63751262306984).

Almost surely, 2^{628405299882852} is an apocalyptic number.

It is an amenable number.

628405299882852 is an abundant number, since it is smaller than the sum of its proper divisors (901624995484764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628405299882852 is a wasteful number, since it uses less digits than its factorization.

628405299882852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276830796707 (or 2276830796705 counting only the distinct ones).

The product of its (nonzero) digits is 3185049600, while the sum is 78.

The spelling of 628405299882852 in words is "six hundred twenty-eight trillion, four hundred five billion, two hundred ninety-nine million, eight hundred eighty-two thousand, eight hundred fifty-two".