1406363244 has 144 divisors (see below), whose sum is σ = 4046402304. Its totient is φ = 376147200.

The previous prime is 1406363239. The next prime is 1406363311. The reversal of 1406363244 is 4423636041.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 511714 + ... + 514454.

It is an arithmetic number, because the mean of its divisors is an integer number (28100016).

Almost surely, 2^1406363244 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 1406363244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2023201152).

1406363244 is an abundant number, since it is smaller than the sum of its proper divisors (2640039060).

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

1406363244 is a wasteful number, since it uses less digits than its factorization.

1406363244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 1406363244 is about 37501.5098896031. The cubic root of 1406363244 is about 1120.3812594439.

Adding to 1406363244 its reverse (4423636041), we get a palindrome (5829999285).

The spelling of 1406363244 in words is "one billion, four hundred six million, three hundred sixty-three thousand, two hundred forty-four".