1404224250 has 128 divisors (see below), whose sum is σ = 4118010624. Its totient is φ = 314208000.

The previous prime is 1404224161. The next prime is 1404224251. The reversal of 1404224250 is 524224041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404224250.

It is not an unprimeable number, because it can be changed into a prime (1404224251) 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 63 ways as a sum of consecutive naturals, for example, 100704 + ... + 113796.

It is an arithmetic number, because the mean of its divisors is an integer number (32171958).

Almost surely, 2^1404224250 is an apocalyptic number.

1404224250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404224250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059005312).

1404224250 is an abundant number, since it is smaller than the sum of its proper divisors (2713786374).

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

1404224250 is a wasteful number, since it uses less digits than its factorization.

1404224250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137 (or 13127 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1404224250 is about 37472.9802657862. The cubic root of 1404224250 is about 1119.8129603691.

Adding to 1404224250 its reverse (524224041), we get a palindrome (1928448291).

The spelling of 1404224250 in words is "one billion, four hundred four million, two hundred twenty-four thousand, two hundred fifty".