440021150 has 48 divisors (see below), whose sum is σ = 846029184. Its totient is φ = 170160480.

The previous prime is 440021123. The next prime is 440021159. The reversal of 440021150 is 51120044.

It is a super-2 number, since 2×440021150² = 387237224894645000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440021159) 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, 220457 + ... + 222443.

It is an arithmetic number, because the mean of its divisors is an integer number (17625608).

Almost surely, 2^440021150 is an apocalyptic number.

440021150 is a deficient number, since it is larger than the sum of its proper divisors (406008034).

440021150 is a wasteful number, since it uses less digits than its factorization.

440021150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 440021150 is about 20976.6811006889. The cubic root of 440021150 is about 760.6026786910.

Adding to 440021150 its reverse (51120044), we get a palindrome (491141194).

The spelling of 440021150 in words is "four hundred forty million, twenty-one thousand, one hundred fifty".