4449693290 has 32 divisors (see below), whose sum is σ = 9208491264. Its totient is φ = 1516469760.

The previous prime is 4449693257. The next prime is 4449693293. The reversal of 4449693290 is 923969444.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4449693293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178631 + ... + 202010.

It is an arithmetic number, because the mean of its divisors is an integer number (287765352).

Almost surely, 2^4449693290 is an apocalyptic number.

4449693290 is an abundant number, since it is smaller than the sum of its proper divisors (4758797974).

4449693290 is a wasteful number, since it uses less digits than its factorization.

4449693290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380822.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 4449693290 is about 66706.0213923751. The cubic root of 4449693290 is about 1644.7883665742.

The spelling of 4449693290 in words is "four billion, four hundred forty-nine million, six hundred ninety-three thousand, two hundred ninety".