1424403144 has 40 divisors (see below), whose sum is σ = 3989649510. Its totient is φ = 474800832.

The previous prime is 1424403139. The next prime is 1424403173. The reversal of 1424403144 is 4413044241.

It can be written as a sum of positive squares in only one way, i.e., 1416619044 + 7784100 = 37638^2 + 2790^2 .

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 9 ways as a sum of consecutive naturals, for example, 1098429 + ... + 1099724.

Almost surely, 2^1424403144 is an apocalyptic number.

It is an amenable number.

1424403144 is an abundant number, since it is smaller than the sum of its proper divisors (2565246366).

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

1424403144 is a wasteful number, since it uses less digits than its factorization.

1424403144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198171 (or 2198158 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1424403144 is about 37741.2657975325. The cubic root of 1424403144 is about 1125.1514249506.

Adding to 1424403144 its reverse (4413044241), we get a palindrome (5837447385).

The spelling of 1424403144 in words is "one billion, four hundred twenty-four million, four hundred three thousand, one hundred forty-four".