4449308660 has 48 divisors (see below), whose sum is σ = 10020931200. Its totient is φ = 1654233984.

The previous prime is 4449308659. The next prime is 4449308687. The reversal of 4449308660 is 668039444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90320 + ... + 130599.

It is an arithmetic number, because the mean of its divisors is an integer number (208769400).

Almost surely, 2^4449308660 is an apocalyptic number.

It is an amenable number.

4449308660 is an abundant number, since it is smaller than the sum of its proper divisors (5571622540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4449308660 is a wasteful number, since it uses less digits than its factorization.

4449308660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221000 (or 220998 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 4449308660 is about 66703.1383069792. The cubic root of 4449308660 is about 1644.7409735565.

The spelling of 4449308660 in words is "four billion, four hundred forty-nine million, three hundred eight thousand, six hundred sixty".