628142773180452 has 24 divisors (see below), whose sum is σ = 1465668474818016. Its totient is φ = 209380638098688.

The previous prime is 628142773180427. The next prime is 628142773180453. The reversal of 628142773180452 is 254081377241826.

It is a super-3 number, since 3×628142773180452³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (628142773180453) 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, 26549638 + ... + 44285085.

It is an arithmetic number, because the mean of its divisors is an integer number (61069519784084).

Almost surely, 2^{628142773180452} is an apocalyptic number.

It is an amenable number.

628142773180452 is an abundant number, since it is smaller than the sum of its proper divisors (837525701637564).

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

628142773180452 is a wasteful number, since it uses less digits than its factorization.

628142773180452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71573707 (or 71573705 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 628142773180452 in words is "six hundred twenty-eight trillion, one hundred forty-two billion, seven hundred seventy-three million, one hundred eighty thousand, four hundred fifty-two".