1440215043043 has 8 divisors (see below), whose sum is σ = 1646443187712. Its totient is φ = 1234107683016.

The previous prime is 1440215042947. The next prime is 1440215043083. The reversal of 1440215043043 is 3403405120441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440215043043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440215042996 and 1440215043014.

It is not an unprimeable number, because it can be changed into a prime (1440215043083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30170605 + ... + 30218302.

It is an arithmetic number, because the mean of its divisors is an integer number (205805398464).

Almost surely, 2^{1440215043043} is an apocalyptic number.

1440215043043 is a deficient number, since it is larger than the sum of its proper divisors (206228144669).

1440215043043 is an equidigital number, since it uses as much as digits as its factorization.

1440215043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60392321.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 1440215043043 in words is "one trillion, four hundred forty billion, two hundred fifteen million, forty-three thousand, forty-three".