1440030004 has 12 divisors (see below), whose sum is σ = 2880060064. Its totient is φ = 617155704.

The previous prime is 1440029971. The next prime is 1440030017. The reversal of 1440030004 is 4000300441.

1440030004 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440030004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25714794 + ... + 25714849.

Almost surely, 2^1440030004 is an apocalyptic number.

1440030004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1440030004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1440030004 is a wasteful number, since it uses less digits than its factorization.

1440030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51429654 (or 51429652 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1440030004 is about 37947.7272573734. The cubic root of 1440030004 is about 1129.2510776153.

Adding to 1440030004 its reverse (4000300441), we get a palindrome (5440330445).

The spelling of 1440030004 in words is "one billion, four hundred forty million, thirty thousand, four".