1424123440 has 20 divisors (see below), whose sum is σ = 3311087184. Its totient is φ = 569649344.

The previous prime is 1424123419. The next prime is 1424123471. The reversal of 1424123440 is 443214241.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8900692 + ... + 8900851.

Almost surely, 2^1424123440 is an apocalyptic number.

1424123440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424123440 is an abundant number, since it is smaller than the sum of its proper divisors (1886963744).

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

1424123440 is a wasteful number, since it uses less digits than its factorization.

1424123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17801556 (or 17801550 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1424123440 is about 37737.5600695116. The cubic root of 1424123440 is about 1125.0777730595.

Adding to 1424123440 its reverse (443214241), we get a palindrome (1867337681).

The spelling of 1424123440 in words is "one billion, four hundred twenty-four million, one hundred twenty-three thousand, four hundred forty".