440324412 has 96 divisors (see below), whose sum is σ = 1192423680. Its totient is φ = 124984320.

The previous prime is 440324407. The next prime is 440324431. The reversal of 440324412 is 214423044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711039 + ... + 711657.

It is an arithmetic number, because the mean of its divisors is an integer number (12421080).

Almost surely, 2^440324412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440324412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596211840).

440324412 is an abundant number, since it is smaller than the sum of its proper divisors (752099268).

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

440324412 is a wasteful number, since it uses less digits than its factorization.

440324412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 440324412 is about 20983.9084062050. The cubic root of 440324412 is about 760.7773740204. Note that the first 3 decimals are identical.

Adding to 440324412 its reverse (214423044), we get a palindrome (654747456).

The spelling of 440324412 in words is "four hundred forty million, three hundred twenty-four thousand, four hundred twelve".