4400608906 has 48 divisors (see below), whose sum is σ = 7283658240. Its totient is φ = 1988189280.

The previous prime is 4400608889. The next prime is 4400608909. The reversal of 4400608906 is 6098060044.

It is not an unprimeable number, because it can be changed into a prime (4400608909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635840 + ... + 2637508.

It is an arithmetic number, because the mean of its divisors is an integer number (151742880).

Almost surely, 2^4400608906 is an apocalyptic number.

4400608906 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4400608906 is a deficient number, since it is larger than the sum of its proper divisors (2883049334).

4400608906 is a wasteful number, since it uses less digits than its factorization.

4400608906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4400608906 is about 66337.0854499955. The cubic root of 4400608906 is about 1638.7181270537.

The spelling of 4400608906 in words is "four billion, four hundred million, six hundred eight thousand, nine hundred six".