1440414434309 has 2 divisors, whose sum is σ = 1440414434310. Its totient is φ = 1440414434308.

The previous prime is 1440414434299. The next prime is 1440414434369. The reversal of 1440414434309 is 9034344140441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778179801025 + 662234633284 = 882145^2 + 813778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440414434309 - 2³⁶ = 1371694957573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440414434369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720207217154 + 720207217155.

It is an arithmetic number, because the mean of its divisors is an integer number (720207217155).

Almost surely, 2^{1440414434309} is an apocalyptic number.

It is an amenable number.

1440414434309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440414434309 is an equidigital number, since it uses as much as digits as its factorization.

1440414434309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 1440414434309 in words is "one trillion, four hundred forty billion, four hundred fourteen million, four hundred thirty-four thousand, three hundred nine".