1440001014 has 64 divisors (see below), whose sum is σ = 3117657600. Its totient is φ = 441745920.

The previous prime is 1440000959. The next prime is 1440001049. The reversal of 1440001014 is 4101000441.

It is a junction number, because it is equal to n+sod(n) for n = 1440000984 and 1440001002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237597 + ... + 1238759.

It is an arithmetic number, because the mean of its divisors is an integer number (48713400).

Almost surely, 2^1440001014 is an apocalyptic number.

1440001014 is an abundant number, since it is smaller than the sum of its proper divisors (1677656586).

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

1440001014 is a wasteful number, since it uses less digits than its factorization.

1440001014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1440001014 is about 37947.3452826413. The cubic root of 1440001014 is about 1129.2434997157.

Adding to 1440001014 its reverse (4101000441), we get a palindrome (5541001455).

The spelling of 1440001014 in words is "one billion, four hundred forty million, one thousand, fourteen".