440311404 has 96 divisors (see below), whose sum is σ = 1136611840. Its totient is φ = 131839488.

The previous prime is 440311397. The next prime is 440311409. The reversal of 440311404 is 404113044.

It is not an unprimeable number, because it can be changed into a prime (440311409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1076352 + ... + 1076760.

Almost surely, 2^440311404 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 440311404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568305920).

440311404 is an abundant number, since it is smaller than the sum of its proper divisors (696300436).

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

440311404 is a wasteful number, since it uses less digits than its factorization.

440311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 440311404 is about 20983.5984521245. The cubic root of 440311404 is about 760.7698823550.

Adding to 440311404 its reverse (404113044), we get a palindrome (844424448).

The spelling of 440311404 in words is "four hundred forty million, three hundred eleven thousand, four hundred four".