4490398064 has 40 divisors (see below), whose sum is σ = 8936355120. Its totient is φ = 2184537600.

The previous prime is 4490398057. The next prime is 4490398111. The reversal of 4490398064 is 4608930944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239594 + ... + 257654.

It is an arithmetic number, because the mean of its divisors is an integer number (223408878).

Almost surely, 2^4490398064 is an apocalyptic number.

It is an amenable number.

4490398064 is a deficient number, since it is larger than the sum of its proper divisors (4445957056).

4490398064 is a wasteful number, since it uses less digits than its factorization.

4490398064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18489 (or 18483 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 4490398064 is about 67010.4325012158. The cubic root of 4490398064 is about 1649.7885329236.

The spelling of 4490398064 in words is "four billion, four hundred ninety million, three hundred ninety-eight thousand, sixty-four".