1404423250 has 16 divisors (see below), whose sum is σ = 2629080792. Its totient is φ = 561769200.

The previous prime is 1404423233. The next prime is 1404423259. The reversal of 1404423250 is 523244041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 560695041 + 843728209 = 23679^2 + 29047^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1404423259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2808597 + ... + 2809096.

Almost surely, 2^1404423250 is an apocalyptic number.

1404423250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1404423250 is a deficient number, since it is larger than the sum of its proper divisors (1224657542).

1404423250 is an equidigital number, since it uses as much as digits as its factorization.

1404423250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617710 (or 5617700 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1404423250 is about 37475.6354182287. The cubic root of 1404423250 is about 1119.8658560641.

Adding to 1404423250 its reverse (523244041), we get a palindrome (1927667291).

The spelling of 1404423250 in words is "one billion, four hundred four million, four hundred twenty-three thousand, two hundred fifty".