1440475011 has 6 divisors (see below), whose sum is σ = 2080686140. Its totient is φ = 960316668.

The previous prime is 1440474953. The next prime is 1440475031. The reversal of 1440475011 is 1105740441.

It is not a de Polignac number, because 1440475011 - 2⁹ = 1440474499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440475031) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 80026381 + ... + 80026398.

Almost surely, 2^1440475011 is an apocalyptic number.

1440475011 is a deficient number, since it is larger than the sum of its proper divisors (640211129).

1440475011 is a wasteful number, since it uses less digits than its factorization.

1440475011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160052785 (or 160052782 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1440475011 is about 37953.5902254319. The cubic root of 1440475011 is about 1129.3673883582.

The spelling of 1440475011 in words is "one billion, four hundred forty million, four hundred seventy-five thousand, eleven".