1440050405 has 16 divisors (see below), whose sum is σ = 1747453824. Its totient is φ = 1139152320.

The previous prime is 1440050321. The next prime is 1440050411. The reversal of 1440050405 is 5040500441.

It is not a de Polignac number, because 1440050405 - 2¹⁰ = 1440049381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325760 + ... + 330150.

It is an arithmetic number, because the mean of its divisors is an integer number (109215864).

Almost surely, 2^1440050405 is an apocalyptic number.

It is an amenable number.

1440050405 is a deficient number, since it is larger than the sum of its proper divisors (307403419).

1440050405 is a wasteful number, since it uses less digits than its factorization.

1440050405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1440050405 is about 37947.9960603982. The cubic root of 1440050405 is about 1129.2564103149.

Adding to 1440050405 its reverse (5040500441), we get a palindrome (6480550846).

The spelling of 1440050405 in words is "one billion, four hundred forty million, fifty thousand, four hundred five".