40442854994459 has 2 divisors, whose sum is σ = 40442854994460. Its totient is φ = 40442854994458.

The previous prime is 40442854994449. The next prime is 40442854994461. The reversal of 40442854994459 is 95449945824404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40442854994459 - 2¹⁶ = 40442854928923 is a prime.

It is a super-3 number, since 3×40442854994459³ (a number of 42 digits) contains 333 as substring.

Together with 40442854994461, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40442854994392 and 40442854994401.

It is not a weakly prime, because it can be changed into another prime (40442854994449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221427497229 + 20221427497230.

It is an arithmetic number, because the mean of its divisors is an integer number (20221427497230).

Almost surely, 2^{40442854994459} is an apocalyptic number.

40442854994459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442854994459 is an equidigital number, since it uses as much as digits as its factorization.

40442854994459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1194393600, while the sum is 71.

The spelling of 40442854994459 in words is "forty trillion, four hundred forty-two billion, eight hundred fifty-four million, nine hundred ninety-four thousand, four hundred fifty-nine".