4449239800 has 24 divisors (see below), whose sum is σ = 10344483000. Its totient is φ = 1779695840.

The previous prime is 4449239771. The next prime is 4449239803. The reversal of 4449239800 is 89329444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449239803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11122900 + ... + 11123299.

It is an arithmetic number, because the mean of its divisors is an integer number (431020125).

Almost surely, 2^4449239800 is an apocalyptic number.

4449239800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4449239800 is an abundant number, since it is smaller than the sum of its proper divisors (5895243200).

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

4449239800 is a wasteful number, since it uses less digits than its factorization.

4449239800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246215 (or 22246206 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 4449239800 is about 66702.6221373643. The cubic root of 4449239800 is about 1644.7324885344.

The spelling of 4449239800 in words is "four billion, four hundred forty-nine million, two hundred thirty-nine thousand, eight hundred".