4489690144 has 12 divisors (see below), whose sum is σ = 8839077534. Its totient is φ = 2244845056.

The previous prime is 4489690141. The next prime is 4489690151. The reversal of 4489690144 is 4410969844.

It can be written as a sum of positive squares in only one way, i.e., 3792096400 + 697593744 = 61580^2 + 26412^2 .

It is not an unprimeable number, because it can be changed into a prime (4489690141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70151377 + ... + 70151440.

Almost surely, 2^4489690144 is an apocalyptic number.

It is an amenable number.

4489690144 is a deficient number, since it is larger than the sum of its proper divisors (4349387390).

4489690144 is a wasteful number, since it uses less digits than its factorization.

4489690144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140302827 (or 140302819 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 4489690144 is about 67005.1501304191. The cubic root of 4489690144 is about 1649.7018309088.

The spelling of 4489690144 in words is "four billion, four hundred eighty-nine million, six hundred ninety thousand, one hundred forty-four".