1440030422 has 8 divisors (see below), whose sum is σ = 2160478872. Its totient is φ = 719870800.

The previous prime is 1440030421. The next prime is 1440030497. The reversal of 1440030422 is 2240300441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1440030394 and 1440030403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440030421) 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, 59279 + ... + 79962.

It is an arithmetic number, because the mean of its divisors is an integer number (270059859).

Almost surely, 2^1440030422 is an apocalyptic number.

1440030422 is a deficient number, since it is larger than the sum of its proper divisors (720448450).

1440030422 is a wasteful number, since it uses less digits than its factorization.

1440030422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144414.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1440030422 is about 37947.7327649492. The cubic root of 1440030422 is about 1129.2511868785.

Adding to 1440030422 its reverse (2240300441), we get a palindrome (3680330863).

The spelling of 1440030422 in words is "one billion, four hundred forty million, thirty thousand, four hundred twenty-two".