628242030 has 192 divisors, whose sum is σ = 1886976000. Its totient is φ = 143721216.

The previous prime is 628242007. The next prime is 628242031. The reversal of 628242030 is 30242826.

628242030 is a `hidden beast` number, since 628 + 2 + 4 + 2 + 0 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 628241985 and 628242003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628242031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1311331 + ... + 1311809.

It is an arithmetic number, because the mean of its divisors is an integer number (9828000).

Almost surely, 2^628242030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628242030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943488000).

628242030 is an abundant number, since it is smaller than the sum of its proper divisors (1258733970).

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

628242030 is a wasteful number, since it uses less digits than its factorization.

628242030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 628242030 is about 25064.7567313150. The cubic root of 628242030 is about 856.4637693838.

Adding to 628242030 its reverse (30242826), we get a palindrome (658484856).

The spelling of 628242030 in words is "six hundred twenty-eight million, two hundred forty-two thousand, thirty".