1404150444 has 72 divisors (see below), whose sum is σ = 3741832080. Its totient is φ = 455352192.

The previous prime is 1404150439. The next prime is 1404150467. The reversal of 1404150444 is 4440514041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143104 + ... + 152600.

It is an arithmetic number, because the mean of its divisors is an integer number (51969890).

Almost surely, 2^1404150444 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 1404150444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870916040).

1404150444 is an abundant number, since it is smaller than the sum of its proper divisors (2337681636).

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

1404150444 is a wasteful number, since it uses less digits than its factorization.

1404150444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9584 (or 9539 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1404150444 is about 37471.9954632790. The cubic root of 1404150444 is about 1119.7933409093.

Adding to 1404150444 its reverse (4440514041), we get a palindrome (5844664485).

The spelling of 1404150444 in words is "one billion, four hundred four million, one hundred fifty thousand, four hundred forty-four".