40446242519 has 2 divisors, whose sum is σ = 40446242520. Its totient is φ = 40446242518.

The previous prime is 40446242467. The next prime is 40446242537. The reversal of 40446242519 is 91524264404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40446242519 - 2²⁴ = 40429465303 is a prime.

It is a super-2 number, since 2×40446242519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40446242539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20223121259 + 20223121260.

It is an arithmetic number, because the mean of its divisors is an integer number (20223121260).

Almost surely, 2^40446242519 is an apocalyptic number.

40446242519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40446242519 is an equidigital number, since it uses as much as digits as its factorization.

40446242519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 40446242519 in words is "forty billion, four hundred forty-six million, two hundred forty-two thousand, five hundred nineteen".