4420451128 has 8 divisors (see below), whose sum is σ = 8288345880. Its totient is φ = 2210225560.

The previous prime is 4420451081. The next prime is 4420451171. The reversal of 4420451128 is 8211540244.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 4420451128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276278188 + ... + 276278203.

It is an arithmetic number, because the mean of its divisors is an integer number (1036043235).

Almost surely, 2^4420451128 is an apocalyptic number.

It is an amenable number.

4420451128 is a deficient number, since it is larger than the sum of its proper divisors (3867894752).

4420451128 is a wasteful number, since it uses less digits than its factorization.

4420451128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552556397 (or 552556393 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 4420451128 is about 66486.4732708842. The cubic root of 4420451128 is about 1641.1774124741.

The spelling of 4420451128 in words is "four billion, four hundred twenty million, four hundred fifty-one thousand, one hundred twenty-eight".