4490597444 has 12 divisors (see below), whose sum is σ = 7860858684. Its totient is φ = 2244637824.

The previous prime is 4490597431. The next prime is 4490597459. The reversal of 4490597444 is 4447950944.

It can be written as a sum of positive squares in 2 ways, for example, as 1774936900 + 2715660544 = 42130^2 + 52112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4490597392 and 4490597401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149777 + ... + 177240.

It is an arithmetic number, because the mean of its divisors is an integer number (655071557).

Almost surely, 2^4490597444 is an apocalyptic number.

It is an amenable number.

4490597444 is a deficient number, since it is larger than the sum of its proper divisors (3370261240).

4490597444 is a wasteful number, since it uses less digits than its factorization.

4490597444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330454 (or 330452 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The square root of 4490597444 is about 67011.9201635052. The cubic root of 4490597444 is about 1649.8129502073.

The spelling of 4490597444 in words is "four billion, four hundred ninety million, five hundred ninety-seven thousand, four hundred forty-four".