1424440001 has 4 divisors (see below), whose sum is σ = 1435656192. Its totient is φ = 1413223812.

The previous prime is 1424439997. The next prime is 1424440007. The reversal of 1424440001 is 1000444241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000444241 = 4243 ⋅235787.

It is a cyclic number.

It is not a de Polignac number, because 1424440001 - 2² = 1424439997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424440007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607905 + ... + 5608158.

It is an arithmetic number, because the mean of its divisors is an integer number (358914048).

Almost surely, 2^1424440001 is an apocalyptic number.

It is an amenable number.

1424440001 is a deficient number, since it is larger than the sum of its proper divisors (11216191).

1424440001 is a wasteful number, since it uses less digits than its factorization.

1424440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216190.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1424440001 is about 37741.7540795337. The cubic root of 1424440001 is about 1125.1611294477.

Adding to 1424440001 its reverse (1000444241), we get a palindrome (2424884242).

It can be divided in two parts, 14244 and 40001, that added together give a palindrome (54245).

The spelling of 1424440001 in words is "one billion, four hundred twenty-four million, four hundred forty thousand, one".