40344136451419 has 2 divisors, whose sum is σ = 40344136451420. Its totient is φ = 40344136451418.

The previous prime is 40344136451413. The next prime is 40344136451467. The reversal of 40344136451419 is 91415463144304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40344136451419 - 2⁷ = 40344136451291 is a prime.

It is a super-2 number, since 2×40344136451419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40344136451413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172068225709 + 20172068225710.

It is an arithmetic number, because the mean of its divisors is an integer number (20172068225710).

Almost surely, 2^{40344136451419} is an apocalyptic number.

40344136451419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344136451419 is an equidigital number, since it uses as much as digits as its factorization.

40344136451419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 40344136451419 in words is "forty trillion, three hundred forty-four billion, one hundred thirty-six million, four hundred fifty-one thousand, four hundred nineteen".