1404630244 has 12 divisors (see below), whose sum is σ = 2480655100. Its totient is φ = 695871648.

The previous prime is 1404630239. The next prime is 1404630247. The reversal of 1404630244 is 4420364041.

It can be written as a sum of positive squares in 2 ways, for example, as 354870244 + 1049760000 = 18838^2 + 32400^2 .

It is a super-2 number, since 2×1404630244² = 3945972244718999072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1404630247) 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 3 ways as a sum of consecutive naturals, for example, 1610379 + ... + 1611250.

Almost surely, 2^1404630244 is an apocalyptic number.

It is an amenable number.

1404630244 is a deficient number, since it is larger than the sum of its proper divisors (1076024856).

1404630244 is a wasteful number, since it uses less digits than its factorization.

1404630244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221742 (or 3221740 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1404630244 is about 37478.3970308230. The cubic root of 1404630244 is about 1119.9208713229.

Adding to 1404630244 its reverse (4420364041), we get a palindrome (5824994285).

The spelling of 1404630244 in words is "one billion, four hundred four million, six hundred thirty thousand, two hundred forty-four".