4498664445 has 36 divisors (see below), whose sum is σ = 8571019548. Its totient is φ = 2181168000.

The previous prime is 4498664419. The next prime is 4498664453. The reversal of 4498664445 is 5444668944.

It can be written as a sum of positive squares in 2 ways, for example, as 3080916036 + 1417748409 = 55506^2 + 37653^2 .

It is not a de Polignac number, because 4498664445 - 2⁵ = 4498664413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4498664391 and 4498664400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 407656 + ... + 418545.

Almost surely, 2^4498664445 is an apocalyptic number.

4498664445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4498664445 is a deficient number, since it is larger than the sum of its proper divisors (4072355103).

4498664445 is a wasteful number, since it uses less digits than its factorization.

4498664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826234 (or 826220 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The square root of 4498664445 is about 67072.0839470491. The cubic root of 4498664445 is about 1650.8002784551.

It can be divided in two parts, 44 and 98664445, that added together give a square (98664489 = 9933²).

The spelling of 4498664445 in words is "four billion, four hundred ninety-eight million, six hundred sixty-four thousand, four hundred forty-five".