1440357471343 has 24 divisors (see below), whose sum is σ = 1777316043104. Its totient is φ = 1142920281600.

The previous prime is 1440357471337. The next prime is 1440357471389. The reversal of 1440357471343 is 3431747530441.

It is a de Polignac number, because none of the positive numbers 2^k-1440357471343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1440357471293 and 1440357471302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440357471313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5712588 + ... + 5959393.

Almost surely, 2^{1440357471343} is an apocalyptic number.

1440357471343 is a deficient number, since it is larger than the sum of its proper divisors (336958571761).

1440357471343 is a wasteful number, since it uses less digits than its factorization.

1440357471343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672083 (or 11672066 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 1440357471343 in words is "one trillion, four hundred forty billion, three hundred fifty-seven million, four hundred seventy-one thousand, three hundred forty-three".