1440031404304 has 20 divisors (see below), whose sum is σ = 2795416065180. Its totient is φ = 718633710080.

The previous prime is 1440031404299. The next prime is 1440031404319. The reversal of 1440031404304 is 4034041300441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1002105106704 + 437926297600 = 1001052^2 + 661760^2 .

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, 86365909 + ... + 86382580.

It is an arithmetic number, because the mean of its divisors is an integer number (139770803259).

Almost surely, 2^{1440031404304} is an apocalyptic number.

It is an amenable number.

1440031404304 is a deficient number, since it is larger than the sum of its proper divisors (1355384660876).

1440031404304 is a wasteful number, since it uses less digits than its factorization.

1440031404304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172749018 (or 172749012 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1440031404304 its reverse (4034041300441), we get a palindrome (5474072704745).

The spelling of 1440031404304 in words is "one trillion, four hundred forty billion, thirty-one million, four hundred four thousand, three hundred four".