628106544 has 60 divisors (see below), whose sum is σ = 1893048976. Its totient is φ = 193262976.

The previous prime is 628106533. The next prime is 628106573. The reversal of 628106544 is 445601826.

628106544 is a `hidden beast` number, since 6 + 2 + 8 + 106 + 544 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 628106499 and 628106508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165892 + ... + 169635.

Almost surely, 2^628106544 is an apocalyptic number.

It is an amenable number.

628106544 is an abundant number, since it is smaller than the sum of its proper divisors (1264942432).

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

628106544 is a wasteful number, since it uses less digits than its factorization.

628106544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335554 (or 335545 counting only the distinct ones).

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

The square root of 628106544 is about 25062.0538663534. The cubic root of 628106544 is about 856.4021969391.

The spelling of 628106544 in words is "six hundred twenty-eight million, one hundred six thousand, five hundred forty-four".