440411412 has 144 divisors (see below), whose sum is σ = 1276800000. Its totient is φ = 117464256.

The previous prime is 440411351. The next prime is 440411453. The reversal of 440411412 is 214114044.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 882339 + ... + 882837.

Almost surely, 2^440411412 is an apocalyptic number.

440411412 is a gapful number since it is divisible by the number (42) 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 440411412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638400000).

440411412 is an abundant number, since it is smaller than the sum of its proper divisors (836388588).

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

440411412 is a wasteful number, since it uses less digits than its factorization.

440411412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 440411412 is about 20985.9813208723. The cubic root of 440411412 is about 760.8274759234.

Adding to 440411412 its reverse (214114044), we get a palindrome (654525456).

The spelling of 440411412 in words is "four hundred forty million, four hundred eleven thousand, four hundred twelve".