440198928 has 160 divisors (see below), whose sum is σ = 1375745280. Its totient is φ = 133954560.

The previous prime is 440198923. The next prime is 440198951. The reversal of 440198928 is 829891044.

It is not an unprimeable number, because it can be changed into a prime (440198921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578068 + ... + 578828.

It is an arithmetic number, because the mean of its divisors is an integer number (8598408).

Almost surely, 2^440198928 is an apocalyptic number.

440198928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440198928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687872640).

440198928 is an abundant number, since it is smaller than the sum of its proper divisors (935546352).

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

440198928 is a wasteful number, since it uses less digits than its factorization.

440198928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 440198928 is about 20980.9181877248. The cubic root of 440198928 is about 760.7050981745.

The spelling of 440198928 in words is "four hundred forty million, one hundred ninety-eight thousand, nine hundred twenty-eight".