1404024444 has 72 divisors (see below), whose sum is σ = 3693886560. Its totient is φ = 449108352.

The previous prime is 1404024389. The next prime is 1404024449. The reversal of 1404024444 is 4444204041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404024449) 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, 170322 + ... + 178374.

It is an arithmetic number, because the mean of its divisors is an integer number (51303980).

Almost surely, 2^1404024444 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 1404024444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846943280).

1404024444 is an abundant number, since it is smaller than the sum of its proper divisors (2289862116).

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

1404024444 is a wasteful number, since it uses less digits than its factorization.

1404024444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259 (or 8254 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 1404024444 is about 37470.3141700200. The cubic root of 1404024444 is about 1119.7598454051.

Adding to 1404024444 its reverse (4444204041), we get a palindrome (5848228485).

The spelling of 1404024444 in words is "one billion, four hundred four million, twenty-four thousand, four hundred forty-four".