628445016 has 48 divisors (see below), whose sum is σ = 1703505960. Its totient is φ = 209301120.

The previous prime is 628444951. The next prime is 628445017. The reversal of 628445016 is 610544826.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628445017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100131 + ... + 106221.

Almost surely, 2^628445016 is an apocalyptic number.

It is an amenable number.

628445016 is an abundant number, since it is smaller than the sum of its proper divisors (1075060944).

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

628445016 is a wasteful number, since it uses less digits than its factorization.

628445016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 628445016 is about 25068.8056356899. The cubic root of 628445016 is about 856.5560010535.

The spelling of 628445016 in words is "six hundred twenty-eight million, four hundred forty-five thousand, sixteen".