440969166 has 48 divisors (see below), whose sum is σ = 1051567920. Its totient is φ = 132437760.

The previous prime is 440969159. The next prime is 440969167. The reversal of 440969166 is 661969044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440969167) 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, 12520 + ... + 32228.

It is an arithmetic number, because the mean of its divisors is an integer number (21907665).

Almost surely, 2^440969166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440969166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525783960).

440969166 is an abundant number, since it is smaller than the sum of its proper divisors (610598754).

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

440969166 is a wasteful number, since it uses less digits than its factorization.

440969166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19841 (or 19838 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 440969166 is about 20999.2658443099. The cubic root of 440969166 is about 761.1485208545.

The spelling of 440969166 in words is "four hundred forty million, nine hundred sixty-nine thousand, one hundred sixty-six".