4506442128 has 50 divisors (see below), whose sum is σ = 13042954694. Its totient is φ = 1502146944.

The previous prime is 4506442117. The next prime is 4506442159. The reversal of 4506442128 is 8212446054.

4506442128 is a `hidden beast` number, since 4 + 5 + 0 + 644 + 2 + 1 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3202654464 + 1303787664 = 56592^2 + 36108^2 .

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 = 4506442092 and 4506442101.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1737301 + ... + 1739892.

Almost surely, 2^4506442128 is an apocalyptic number.

4506442128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4506442128 is an abundant number, since it is smaller than the sum of its proper divisors (8536512566).

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

4506442128 is a wasteful number, since it uses less digits than its factorization.

4506442128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477213 (or 3477198 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 4506442128 is about 67130.0389393601. The cubic root of 4506442128 is about 1651.7510798337.

The spelling of 4506442128 in words is "four billion, five hundred six million, four hundred forty-two thousand, one hundred twenty-eight".