1440215043044 has 6 divisors (see below), whose sum is σ = 2520376325334. Its totient is φ = 720107521520.

The previous prime is 1440215042947. The next prime is 1440215043083. The reversal of 1440215043044 is 4403405120441.

It can be written as a sum of positive squares in only one way, i.e., 1302360264100 + 137854778944 = 1141210^2 + 371288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1440215043044.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180026880377 + ... + 180026880384.

It is an arithmetic number, because the mean of its divisors is an integer number (420062720889).

Almost surely, 2^{1440215043044} is an apocalyptic number.

It is an amenable number.

1440215043044 is a deficient number, since it is larger than the sum of its proper divisors (1080161282290).

1440215043044 is a wasteful number, since it uses less digits than its factorization.

1440215043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360053760765 (or 360053760763 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 1440215043044 in words is "one trillion, four hundred forty billion, two hundred fifteen million, forty-three thousand, forty-four".