1440005419 has 2 divisors, whose sum is σ = 1440005420. Its totient is φ = 1440005418.

The previous prime is 1440005393. The next prime is 1440005423. The reversal of 1440005419 is 9145000441.

It is a strong prime.

It is an emirp because it is prime and its reverse (9145000441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1440005419 - 2⁵ = 1440005387 is a prime.

It is a super-2 number, since 2×1440005419² = 4147231213498731122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1440005719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720002709 + 720002710.

It is an arithmetic number, because the mean of its divisors is an integer number (720002710).

Almost surely, 2^1440005419 is an apocalyptic number.

1440005419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440005419 is an equidigital number, since it uses as much as digits as its factorization.

1440005419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1440005419 is about 37947.4033235477. The cubic root of 1440005419 is about 1129.2446511761.

The spelling of 1440005419 in words is "one billion, four hundred forty million, five thousand, four hundred nineteen".