628670303280 has 120 divisors (see below), whose sum is σ = 2184087419280. Its totient is φ = 161864532480.

The previous prime is 628670303269. The next prime is 628670303341. The reversal of 628670303280 is 82303076826.

628670303280 is a `hidden beast` number, since 6 + 2 + 8 + 67 + 0 + 303 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15033486 + ... + 15075245.

It is an arithmetic number, because the mean of its divisors is an integer number (18200728494).

Almost surely, 2^628670303280 is an apocalyptic number.

628670303280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

628670303280 is an abundant number, since it is smaller than the sum of its proper divisors (1555417116000).

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

628670303280 is a wasteful number, since it uses less digits than its factorization.

628670303280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30108779 (or 30108770 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 628670303280 in words is "six hundred twenty-eight billion, six hundred seventy million, three hundred three thousand, two hundred eighty".