4545938628 has 72 divisors (see below), whose sum is σ = 14326603200. Its totient is φ = 1180762560.

The previous prime is 4545938609. The next prime is 4545938641. The reversal of 4545938628 is 8268395454.

4545938628 is a `hidden beast` number, since 4 + 5 + 4 + 5 + 9 + 3 + 8 + 628 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 817203 + ... + 822746.

It is an arithmetic number, because the mean of its divisors is an integer number (198980600).

Almost surely, 2^4545938628 is an apocalyptic number.

It is an amenable number.

4545938628 is an abundant number, since it is smaller than the sum of its proper divisors (9780664572).

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

4545938628 is a wasteful number, since it uses less digits than its factorization.

4545938628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639977 (or 1639972 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 4545938628 is about 67423.5762029870. The cubic root of 4545938628 is about 1656.5626151417.

The spelling of 4545938628 in words is "four billion, five hundred forty-five million, nine hundred thirty-eight thousand, six hundred twenty-eight".