440422100 has 36 divisors (see below), whose sum is σ = 981554364. Its totient is φ = 171406080.

The previous prime is 440422061. The next prime is 440422117. The reversal of 440422100 is 1224044.

It can be written as a sum of positive squares in 6 ways, for example, as 11600836 + 428821264 = 3406^2 + 20708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55817 + ... + 63216.

It is an arithmetic number, because the mean of its divisors is an integer number (27265399).

Almost surely, 2^440422100 is an apocalyptic number.

It is an amenable number.

440422100 is an abundant number, since it is smaller than the sum of its proper divisors (541132264).

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

440422100 is a wasteful number, since it uses less digits than its factorization.

440422100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119084 (or 119077 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 440422100 is about 20986.2359655084. The cubic root of 440422100 is about 760.8336305158.

Adding to 440422100 its reverse (1224044), we get a palindrome (441646144).

The spelling of 440422100 in words is "four hundred forty million, four hundred twenty-two thousand, one hundred".